Air Miles Calculator

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

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.

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

There are several ways to calculate distances between St Louis and Washington D.C.. 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 (STL) to Ronald Reagan Washington National Airport (DCA) is 1 hour 51 minutes.

Time difference and current local times

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

Time Difference

St Louis
Washington D.C.

St Louis, MO

 CST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 114 kg (252 pounds).

Airport information


A 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

B 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

Map

St Louis to Washington D.C. flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Washington D.C. (DCA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
719
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
719

Round trip?