How far is Helena, MT, from Monroe, LA?
The distance between Monroe (Monroe Regional Airport) and Helena (Helena Regional Airport) is 1435 miles / 2309 kilometers / 1247 nautical miles.
The driving distance from Monroe (MLU) to Helena (HLN) is 1858 miles / 2990 kilometers, and travel time by car is about 32 hours 41 minutes.
Monroe Regional Airport – Helena Regional Airport
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Distance from Monroe to Helena
There are several ways to calculate the distance from Monroe to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1434.548 miles
- 2308.682 kilometers
- 1246.588 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- 1433.637 miles
- 2307.215 kilometers
- 1245.796 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 Monroe to Helena?
The estimated flight time from Monroe Regional Airport to Helena Regional Airport is 3 hours and 12 minutes.
What is the time difference between Monroe and Helena?
The time difference between Monroe and Helena is 1 hour. Helena is 1 hour behind Monroe.
Flight carbon footprint between Monroe Regional Airport (MLU) and Helena Regional Airport (HLN)
On average, flying from Monroe to Helena generates about 175 kg of CO2 per passenger, and 175 kilograms equals 387 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Monroe to Helena
See the map of the shortest flight path between Monroe Regional Airport (MLU) and Helena Regional Airport (HLN).
Airport information
| Origin | Monroe Regional Airport |
|---|---|
| City: | Monroe, LA |
| Country: | United States  |
| IATA Code: | MLU |
| ICAO Code: | KMLU |
| Coordinates: | 32°30′39″N, 92°2′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 |