Air Miles Calculator

Distance between Huntsville, AL (HSV) and St Louis, MO (STL)

Flight distance from Huntsville to St Louis (Huntsville International Airport – St. Louis Lambert International Airport) is 347 miles / 558 kilometers / 301 nautical miles. Estimated flight time is 1 hour 9 minutes.

Driving distance from Huntsville (HSV) to St Louis (STL) is 439 miles / 707 kilometers and travel time by car is about 7 hours 35 minutes.

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

Shortest flight path between Huntsville International Airport (HSV) and St. Louis Lambert International Airport (STL).

How far is St Louis from Huntsville?

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

Vincenty's formula (applied above)
  • 346.667 miles
  • 557.906 kilometers
  • 301.245 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
  • 346.868 miles
  • 558.230 kilometers
  • 301.420 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 Huntsville International Airport
City: Huntsville, AL
Country: United States Flag of United States
IATA Code: HSV
ICAO Code: KHSV
Coordinates: 34°38′13″N, 86°46′30″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

There is no time difference between Huntsville and St Louis.

Time Difference

Huntsville, AL

 CST

St Louis, MO

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 76 kg (168 pounds).

Frequent Flyer Miles Calculator

Huntsville (HSV) → St Louis (STL).

Distance:
347
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
347

Round trip?