
Find cities, states and countries closest to Ko Samui in Surat Thani, Thailand with precise aerial distance in miles, kilometers and nautical miles, plus exact 16-point compass bearing and heading direction. This location intelligence data is used by logistics professionals, supply chain analysts, market researchers and field teams planning routes and coverage areas around Ko Samui.
To assist regional market researchers, location intelligence professionals and logistics managers in strategic decision-making, we have compiled the key geographic and demographic attributes for Ko Samui from our regional database:
| State / Region | Surat Thani |
| District | Amphoe Ko Samui |
| Total Population | 50,000 |
| Land Area | 228.70 km² |
| Population Density | 218.63 / km² |
| Center Latitude | 9.5357° N |
| Center Longitude | 99.9357° E |
| Elevation | 8 m (26 ft) |
| UTC Time Zone | +07:00 |
| Population Rank in Surat Thani | #2 of 11 |
| Flag | City | Distance | Direction | |||
|---|---|---|---|---|---|---|
| Miles (mi) | Kilometers (km) | Nautical Miles (nm) | Heading | Symbol | ||
|
| Ao Luek | 115 | 185 | 100 | Southwest (SW) | ↑ |
|
| Ban Ao Nang | 128 | 207 | 112 | Southwest (SW) | ↑ |
|
| Ban I Let | 75 | 121 | 65 | Northwest (NW) | ↑ |
|
| Ban Ko Kaeo | 153 | 245 | 132 | Southwest (SW) | ↑ |
|
| Ban Na Doem | 62 | 100 | 54 | Southwest (SW) | ↑ |
|
| Ban Na San | 64 | 103 | 56 | Southwest (SW) | ↑ |
|
| Ban Nam Yuen | 77 | 123 | 66 | West-northwest (WNW) | ↑ |
|
| Ban Phru Nai | 143 | 230 | 124 | Southwest (SW) | ↑ |
|
| Ban Takhun | 84 | 135 | 73 | West-southwest (WSW) | ↑ |
|
| Bang Khan | 109 | 175 | 95 | South-southwest (SSW) | ↑ |
|
| Bang Saphan Noi | 112 | 180 | 97 | North-northwest (NNW) | ↑ |
|
| Cha-uat | 108 | 174 | 94 | South (S) | ↑ |
|
| Chai Buri | 95 | 152 | 82 | Southwest (SW) | ↑ |
|
| Chaiya | 51 | 83 | 45 | West-southwest (WSW) | ↑ |
|
| Chaloem Phra Kiat | 94 | 151 | 82 | South (S) | ↑ |
States and regions closest to Surat Thani (home state of Ko Samui), with aerial distance and compass direction — useful for cross-state logistics routing, regional market-expansion research and strategic site selection.
| Flag | State/Region | Distance | Direction | |||
|---|---|---|---|---|---|---|
| Miles (mi) | Kilometers (km) | Nautical Miles (nm) | Heading | Symbol | ||
|
| Battambang | 366 | 589 | 318 | Northeast (NE) | ↑ |
|
| Chanthaburi | 305 | 491 | 265 | Northeast (NE) | ↑ |
|
| Chumphon | 101 | 163 | 88 | North (N) | ↑ |
|
| Kedah | 219 | 353 | 190 | South-southeast (SSE) | ↑ |
|
| Koh Kong | 302 | 485 | 262 | Northeast (NE) | ↑ |
|
| Krabi | 78 | 126 | 68 | South-southwest (SSW) | ↑ |
|
| Nakhon Si Thammarat | 65 | 104 | 56 | Southeast (SE) | ↑ |
|
| Narathiwat | 264 | 425 | 230 | Southeast (SE) | ↑ |
|
| Negeri Sembilan | 228 | 367 | 198 | South-southeast (SSE) | ↑ |
|
| Pailin | 345 | 555 | 300 | Northeast (NE) | ↑ |
Countries bordering or closest to Thailand, with aerial distance and compass direction from Ko Samui's home country — a quick reference for cross-border trade, travel planning and regional supply chain routing.
| Flag | Country | Distance | Direction | |||
|---|---|---|---|---|---|---|
| Miles (mi) | Kilometers (km) | Nautical Miles (nm) | Heading | Symbol | ||
|
| Bangladesh | 877 | 1,411 | 761 | Northwest (NW) | ↑ |
|
| Bhutan | 1,051 | 1,691 | 913 | Northwest (NW) | ↑ |
|
| Brunei | 1,217 | 1,959 | 1,057 | Southeast (SE) | ↑ |
|
| Cambodia | 352 | 566 | 306 | Southeast (SE) | ↑ |
|
| Hong Kong | 968 | 1,558 | 841 | East-northeast (ENE) | ↑ |
|
| Laos | 293 | 471 | 254 | North-northeast (NNE) | ↑ |
|
| Macao | 928 | 1,494 | 806 | East-northeast (ENE) | ↑ |
|
| Malaysia | 808 | 1,301 | 702 | South (S) | ↑ |
|
| Myanmar | 532 | 856 | 462 | Northwest (NW) | ↑ |
|
| Singapore | 1,021 | 1,644 | 887 | South (S) | ↑ |
Compare population and aerial distance of cities geographically closest to Ko Samui. This regional snapshot supports market sizing, site selection, logistics zone planning and cross-city business analysis in Surat Thani, Thailand.
| City | State | Population | Distance (km) | Direction |
|---|---|---|---|---|
| Ko Samui (You) | Surat Thani | 50,000 | — | — |
| Ko Pha Ngan | Surat Thani | — | 21.4 | NNE |
| Ko Pha Ngan | Surat Thani | 11,846 | 26.7 | NNE |
| Don Sak | Surat Thani | 12,422 | 36.2 | SW |
| Koh Tao | Surat Thani | 1,382 | 63.4 | N |
| Kanchanadit | Surat Thani | — | 65.6 | SW |
| Surat Thani | Surat Thani | 132,040 | 79.4 | WSW |
| Chaiya | Surat Thani | 12,223 | 82.5 | WSW |
| Tha Chana | Surat Thani | — | 84.5 | W |
| Tha Chang | Surat Thani | — | 87.0 | WSW |
| Tha Kham | Surat Thani | 25,810 | 90.5 | WSW |
How does Ko Samui rank within Surat Thani? The top 10 cities by population, land area and density are listed below — useful for regional benchmarking, investment prioritization and market-entry decisions. Cities where Ko Samui appears are highlighted with ⭐.
| City | Population |
|---|---|
| Surat Thani | 132,040 |
| Ko Samui ⭐ | 50,000 |
| Tha Kham | 25,810 |
| Ban Na San | 21,900 |
| Don Sak | 12,422 |
| Chaiya | 12,223 |
| Wiang Sa | 11,933 |
| Ko Pha Ngan | 11,846 |
| Tha Khanon | 7,300 |
| Chai Buri | 6,126 |
| City | Area (km²) |
|---|---|
| Ko Samui ⭐ | 228.70 |
| Surat Thani | 68.97 |
| City | Density/km² |
|---|---|
| Surat Thani | 1,914.46 |
| Ko Samui ⭐ | 218.63 |
Samui International Airport IATA: USM 14 km (9 mi) from Ko Samui |
Ko Samui sits inside Surat Thani, Thailand and ranks #2 of 11 cities in Surat Thani by population. Every distance on this page is a straight-line Great Circle (haversine) measurement — the shortest path a plane or signal would take between two GPS points, not the longer road-and-turns route a driver would actually cover. View the nearby cities, nearby states or nearby countries tables above.
Scroll down and this page also ranks the states closest to Ko Samui and the countries closest to Ko Samui by the same straight-line measurement. For the complete national picture, see every country bordering or near Thailand. Handy for cross-border import/export planning, scouting a new travel corridor or lining up emergency logistics across Asia.
Next to every distance sits a compass heading from Ko Samui, plotted on the 16-point rose (N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW, NNW). The rotating arrow marks the bearing angle (0°–360°, where 0°/360° is due north) — see it in action in the cities, states and countries tables above. It's the same reference pilots, sailors and long-haul truckers use to picture the layout around Ko Samui at a glance.
If you're stringing together stops in Surat Thani, the neighboring cities table above doubles as a rough day-trip planner from Ko Samui — shortest hops first. Pair it with the population and area data to gauge which nearby stop is worth the detour.
See the Cities Near To Ko Samui table above, ranked nearest first with distance in miles, kilometers and nautical miles plus a compass bearing for each. Want the bigger picture? The nearest states and nearest countries tables sit further down this page, or compare every city in Surat Thani by population and density.
Every figure on this page is a Great Circle (haversine) distance — a straight aerial line between the GPS center of Ko Samui and the GPS center of the other place, not a driving distance. It's the same math airlines use to estimate flight paths. View the Ko Samui map for the exact coordinates behind these numbers.
It's a straight line — the shortest possible path between two points on Earth's surface, ignoring roads, terrain and detours. Actual driving distance from Ko Samui will almost always run longer, sometimes significantly, depending on the road network. Treat the figures here as a quick planning benchmark, not a substitute for a live route from a mapping or navigation app.
Distribution planners use it to pick warehouse or hub sites within easy reach of Ko Samui. Sales and field teams use it to sequence visits by drive distance instead of guessing. Market researchers use it to scope out the next-closest town before greenlighting an expansion. See the population & area comparison and Surat Thani city rankings above to size up each candidate.
Ko Samui ranks #2 of 11 cities in Surat Thani by recorded population. See the population & area comparison table above to weigh it directly against each neighboring city on this page.
The nearest airport with scheduled service to Ko Samui is Samui International Airport (USM), about 14 km (9 mi) away. See the Nearest Airport card for more.