How far is St Louis, MO, from Washington D.C.?
The distance between Washington D.C. (Ronald Reagan Washington National Airport) and St Louis (St. Louis Lambert International Airport) is 719 miles / 1157 kilometers / 625 nautical miles.
The driving distance from Washington D.C. (DCA) to St Louis (STL) is 822 miles / 1323 kilometers, and travel time by car is about 15 hours 42 minutes.
Ronald Reagan Washington National Airport – St. Louis Lambert International Airport
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Distance from Washington D.C. to St Louis
There are several ways to calculate the distance from Washington D.C. to St Louis. Here are two standard methods:
Vincenty's formula (applied above)- 719.048 miles
- 1157.195 kilometers
- 624.835 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 717.300 miles
- 1154.382 kilometers
- 623.316 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Washington D.C. to St Louis?
The estimated flight time from Ronald Reagan Washington National Airport to St. Louis Lambert International Airport is 1 hour and 51 minutes.
What is the time difference between Washington D.C. and St Louis?
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and St. Louis Lambert International Airport (STL)
On average, flying from Washington D.C. to St Louis generates about 127 kg of CO2 per passenger, and 127 kilograms equals 279 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to St Louis
See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and St. Louis Lambert International Airport (STL).
Airport information
| Origin | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |
| Destination | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |
Airlines flying from Washington D.C. (DCA) to St Louis (STL)
| American Airlines |
| Southwest Airlines |