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Distance between St Louis, MO (STL) and Washington D.C. (DCA)

Flight distance from St Louis to Washington D.C. (St. Louis Lambert International Airport – Ronald Reagan Washington National Airport) is 719 miles / 1157 kilometers / 625 nautical miles. Estimated flight time is 1 hour 51 minutes.

Driving distance from St Louis (STL) to Washington D.C. (DCA) is 822 miles / 1323 kilometers and travel time by car is about 15 hours 40 minutes.

St Louis – Washington D.C.

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719
Miles
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1157
Kilometers
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625
Nautical miles

How far is Washington D.C. from St Louis?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport is 1 hour 51 minutes.

Time difference

The time difference between St Louis and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of St Louis.
St Louis time to Washington D.C. time converter

Carbon dioxide emissions

On average flying from St Louis to Washington D.C. generates about 127 kg of CO2 per passenger, 127 kilograms is equal to 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.

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 Flag of 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 Flag of 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