Map of flight path and driving directions from Baltimore to St Louis.
Shortest flight path between Baltimore–Washington International Airport (BWI) and St. Louis Lambert International Airport (STL).
How far is St Louis from Baltimore?
There are several ways to calculate distances between Baltimore and St Louis. Here are two common methods:Vincenty's formula (applied above)
- 737.802 miles
- 1187.378 kilometers
- 641.133 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
- 736.007 miles
- 1184.488 kilometers
- 639.572 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).
|A||Baltimore–Washington International Airport|
|B||St. Louis Lambert International Airport|
|City:||St Louis, MO|
Time difference and current local times
The time difference between Baltimore and St Louis is 1 hour. St Louis is 1 hour behind Baltimore.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 129 kg (284 pounds).
Frequent Flyer Miles Calculator
Baltimore (BWI) → St Louis (STL).