How far is Helena, MT, from Lafayette, LA?
The distance between Lafayette (Lafayette Regional Airport) and Helena (Helena Regional Airport) is 1559 miles / 2509 kilometers / 1354 nautical miles.
The driving distance from Lafayette (LFT) to Helena (HLN) is 1974 miles / 3177 kilometers, and travel time by car is about 34 hours 53 minutes.
Lafayette Regional Airport – Helena Regional Airport
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Distance from Lafayette to Helena
There are several ways to calculate the distance from Lafayette to Helena. 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 Lafayette to Helena?
The estimated flight time from Lafayette Regional Airport to Helena Regional Airport is 3 hours and 27 minutes.
What is the time difference between Lafayette and Helena?
The time difference between Lafayette and Helena is 1 hour. Helena is 1 hour behind Lafayette.
Flight carbon footprint between Lafayette Regional Airport (LFT) and Helena Regional Airport (HLN)
On average, flying from Lafayette to Helena 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 Lafayette to Helena
See the map of the shortest flight path between Lafayette Regional Airport (LFT) and Helena Regional Airport (HLN).
Airport information
| Origin | Lafayette Regional Airport |
|---|---|
| City: | Lafayette, LA |
| Country: | United States  |
| IATA Code: | LFT |
| ICAO Code: | KLFT |
| Coordinates: | 30°12′19″N, 91°59′15″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |