The GPS coordinates of Saint Johns are latitude 38.7134° and longitude -90.3432°. In directional format: 38.7134° N, 90.3432° W. These coordinates mark the center of Saint Johns in Missouri and work with Google Maps, OpenStreetMap and every major navigation app.

Saint Johns is a city in Missouri, United States, on the continent of North America. It falls within Saint Louis County. View its exact position on the satellite map above or check nearby cities for regional context.

In DMS (Degrees Minutes Seconds) format, Saint Johns sits at: Latitude 38° 42' 48" N and Longitude 90° 20' 35" W. This format is common in surveying records, printed maps and legacy GPS hardware still used by field crews on site visits.

Saint Johns has a population of approximately 7,690 people. This is roughly 0.123% of Missouri's total population. See the population rank and density figures above, or compare it against every city in Missouri.

The interactive satellite map of Saint Johns is embedded on this page and shows streets, buildings and terrain. You can also enter the GPS coordinates 38.7134, -90.3432 directly into Google Maps, Apple Maps or any navigation app to locate Saint Johns in Missouri. For broader context, explore the Missouri state map or nearby cities.

The nearest airport to Saint Johns is St. Louis Lambert International Airport (STL), roughly 5 km away. See the Nearest Airport card in the sidebar for the exact distance in kilometers and miles.

Saint Johns is approximately 160 km (99 mi) from Jefferson City, the capital of Missouri, measured as a straight-line distance between city centers. See the Major Cities table above for distances from other cities in Missouri.

Saint Johns sits at an elevation of approximately 185 meters (607 feet) above sea level — see the Geographic Profile above. Compare it against other cities in the Major Cities table for Missouri.

The closest cities to Saint Johns include Saint John, Charlack, Sycamore Hills. See the Geographic Intelligence panel above for the full list with distances, or the nearby cities tool for a complete breakdown.

Today in Saint Johns, sunrise is at 03:56 AM and sunset is at 06:19 PM, giving a day length of 14h 22m. See the Sunrise & Sunset panel above, calculated directly from Saint Johns's GPS coordinates and updated daily.

Saint Johns is approximately 4,310 km (2,678 mi) from the Equator, in the northern hemisphere. It's also about 7,847 km from the Prime Meridian. See the Global Position panel above for the full breakdown.

The antipodal point of Saint Johns — the spot exactly opposite it through the Earth's center — falls nearest to Port-aux-Français, French Southern Territories, roughly 1,943 km from the true antipode. Since about 71% of the Earth's surface is ocean, most antipodal points land in open water rather than on a named city.

Saint Johns is approximately 235 km (146 mi) N of Washington, the national capital of United States, measured as a straight-line distance between city centers. See the Distance to Capitals card above.