Air Miles Calculator

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

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

Time difference and current local times

The time difference between Baltimore and St Louis is 1 hour. St Louis is 1 hour behind Baltimore.

Time Difference

Baltimore
St Louis

Baltimore, MD

 EST

St Louis, MO

 CST

Airport information


A 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

B 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

Map

Flight map from Baltimore to St Louis.

Frequent Flyer Miles Calculator

Baltimore (BWI) → St Louis (STL).

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?