How far is Lafayette, LA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Lafayette (Lafayette Regional Airport) is 1559 miles / 2509 kilometers / 1354 nautical miles.
The driving distance from Helena (HLN) to Lafayette (LFT) is 1975 miles / 3178 kilometers, and travel time by car is about 35 hours 0 minutes.
Helena Regional Airport – Lafayette Regional Airport
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Distance from Helena to Lafayette
There are several ways to calculate the distance from Helena to Lafayette. Here are two standard methods:
Vincenty's formula (applied above)- 1558.715 miles
- 2508.509 kilometers
- 1354.486 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- 1558.350 miles
- 2507.921 kilometers
- 1354.169 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 Lafayette?
The estimated flight time from Helena Regional Airport to Lafayette Regional Airport is 3 hours and 27 minutes.
What is the time difference between Helena and Lafayette?
The time difference between Helena and Lafayette is 1 hour. Lafayette is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Lafayette Regional Airport (LFT)
On average, flying from Helena to Lafayette generates about 183 kg of CO2 per passenger, and 183 kilograms equals 404 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 Lafayette
See the map of the shortest flight path between Helena Regional Airport (HLN) and Lafayette Regional Airport (LFT).
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 | Lafayette Regional Airport |
|---|---|
| City: | Lafayette, LA |
| Country: | United States |
| IATA Code: | LFT |
| ICAO Code: | KLFT |
| Coordinates: | 30°12′19″N, 91°59′15″W |