How far is Alexandria, LA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Alexandria (Alexandria International Airport) is 1477 miles / 2378 kilometers / 1284 nautical miles.
The driving distance from Helena (HLN) to Alexandria (AEX) is 1881 miles / 3027 kilometers, and travel time by car is about 33 hours 34 minutes.
Helena Regional Airport – Alexandria International Airport
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Distance from Helena to Alexandria
There are several ways to calculate the distance from Helena to Alexandria. Here are two standard methods:
Vincenty's formula (applied above)- 1477.367 miles
- 2377.592 kilometers
- 1283.797 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1476.820 miles
- 2376.711 kilometers
- 1283.321 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).
How long does it take to fly from Helena to Alexandria?
The estimated flight time from Helena Regional Airport to Alexandria International Airport is 3 hours and 17 minutes.
What is the time difference between Helena and Alexandria?
The time difference between Helena and Alexandria is 1 hour. Alexandria is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Alexandria International Airport (AEX)
On average, flying from Helena to Alexandria generates about 178 kg of CO2 per passenger, and 178 kilograms equals 393 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Alexandria
See the map of the shortest flight path between Helena Regional Airport (HLN) and Alexandria International Airport (AEX).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Alexandria International Airport |
|---|---|
| City: | Alexandria, LA |
| Country: | United States |
| IATA Code: | AEX |
| ICAO Code: | KAEX |
| Coordinates: | 31°19′38″N, 92°32′59″W |