Air Miles Calculator

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

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

Driving distance from St Louis (STL) to Louisville (SDF) is 280 miles / 450 kilometers and travel time by car is about 4 hours 55 minutes.

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

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

How far is Louisville from St Louis?

There are several ways to calculate distances between St Louis and Louisville. 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 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 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

Time difference and current local times

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

Time Difference

St Louis, MO

 CDT

Louisville, KY

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

St Louis (STL) → Louisville (SDF).

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

In total

Total frequent flyer miles:
254

Round trip?