Map of flight path and driving directions from St Louis to Baltimore.
Shortest flight path between St. Louis Lambert International Airport (STL) and Baltimore–Washington International Airport (BWI).
How far is Baltimore from St Louis?
There are several ways to calculate distances between St Louis and Baltimore. 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||St. Louis Lambert International Airport|
|City:||St Louis, MO|
|B||Baltimore–Washington International Airport|
Time difference and current local times
The time difference between St Louis and Baltimore is 1 hour. Baltimore is 1 hour ahead of St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 129 kg (284 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Baltimore (BWI).