How far is Washington D.C. from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 719 miles / 1157 kilometers / 625 nautical miles.
The driving distance from St Louis (STL) to Washington D.C. (DCA) is 821 miles / 1322 kilometers, and travel time by car is about 15 hours 45 minutes.
St. Louis Lambert International Airport – Ronald Reagan Washington National Airport
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Distance from St Louis to Washington D.C.
There are several ways to calculate the distance from St Louis to Washington D.C.. 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 St Louis to Washington D.C.?
The estimated flight time from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport is 1 hour and 51 minutes.
What is the time difference between St Louis and Washington D.C.?
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Ronald Reagan Washington National Airport (DCA)
On average, flying from St Louis to Washington D.C. 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 St Louis to Washington D.C.
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Ronald Reagan Washington National Airport (DCA).
Airport information
| Origin | 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 |
| Destination | 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 |
Airlines flying from St Louis (STL) to Washington D.C. (DCA)
| American Airlines |
| Southwest Airlines |