Distance between St Louis, MO (STL) and Huntsville, AL (HSV)
Flight distance from St Louis to Huntsville (St. Louis Lambert International Airport – Huntsville International Airport) is 347 miles / 558 kilometers / 301 nautical miles. Estimated flight time is 1 hour 9 minutes.
Driving distance from St Louis (STL) to Huntsville (HSV) is 440 miles / 708 kilometers and travel time by car is about 7 hours 35 minutes.
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St Louis - Huntsville
Map of flight path and driving directions from St Louis to Huntsville.
Shortest flight path between St. Louis Lambert International Airport (STL) and Huntsville International Airport (HSV).
How far is Huntsville from St Louis?
There are several ways to calculate distances between St Louis and Huntsville. 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 | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |
| B | Huntsville International Airport |
|---|---|
| City: | Huntsville, AL |
| Country: | United States |
| IATA Code: | HSV |
| ICAO Code: | KHSV |
| Coordinates: | 34°38′13″N, 86°46′30″W |
Time difference and current local times
There is no time difference between St Louis and Huntsville.
Time Difference
St Louis, MO
Huntsville, AL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 76 kg (168 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Huntsville (HSV).
In total
Round trip?