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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 1871 miles / 3011 kilometers, and travel time by car is about 33 hours 10 minutes.

Monroe Regional Airport – Helena Regional Airport

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1435
Miles
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2309
Kilometers
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1247
Nautical miles

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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.

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 Flag of 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 Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W