Air Miles Calculator

Distance between Louisville, KY (SDF) and St Louis, MO (STL)

Flight distance from Louisville to St Louis (Louisville International Airport – St. Louis Lambert International Airport) is 254 miles / 409 kilometers / 221 nautical miles. Estimated flight time is 58 minutes.

Driving distance from Louisville (SDF) to St Louis (STL) is 279 miles / 449 kilometers and travel time by car is about 4 hours 56 minutes.

Map of flight path and driving directions from Louisville to St Louis.

Shortest flight path between Louisville International Airport (SDF) and St. Louis Lambert International Airport (STL).

How far is St Louis from Louisville?

There are several ways to calculate distances between Louisville and St Louis. Here are two common methods:

Vincenty's formula (applied above)
  • 254.388 miles
  • 409.398 kilometers
  • 221.057 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
  • 253.800 miles
  • 408.452 kilometers
  • 220.546 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).

Airport information


A Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″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

Time difference and current local times

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

Time Difference

Louisville, KY

 EDT

St Louis, MO

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 62 kg (138 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → St Louis (STL).

Distance:
254
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
254

Round trip?