Air Miles Calculator

Distance between St Louis, MO (STL) and Baltimore, MD (BWI)

Distance from St. Louis Lambert International Airport to Baltimore–Washington International Airport is 738 miles / 1187 kilometers / 641 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to Baltimore–Washington International Airport (BWI) is 1 hour 53 minutes.

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.

Time Difference

St Louis
Baltimore

St Louis, MO

 CST

Baltimore, MD

 EST

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 Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″W

Map

Flight map from St Louis to Baltimore.

Frequent Flyer Miles Calculator

St Louis (STL) → Baltimore (BWI).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
738
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
738

Round trip?