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How far is Helena, MT, from Billings, MT?

The distance between Billings (Billings Logan International Airport) and Helena (Helena Regional Airport) is 174 miles / 280 kilometers / 151 nautical miles.

The driving distance from Billings (BIL) to Helena (HLN) is 242 miles / 389 kilometers, and travel time by car is about 4 hours 14 minutes.

Billings Logan International Airport – Helena Regional Airport

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174
Miles
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280
Kilometers
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151
Nautical miles

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Distance from Billings to Helena

There are several ways to calculate the distance from Billings to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 173.931 miles
  • 279.914 kilometers
  • 151.142 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
  • 173.489 miles
  • 279.204 kilometers
  • 150.758 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 Billings to Helena?

The estimated flight time from Billings Logan International Airport to Helena Regional Airport is 49 minutes.

What is the time difference between Billings and Helena?

There is no time difference between Billings and Helena.

Flight carbon footprint between Billings Logan International Airport (BIL) and Helena Regional Airport (HLN)

On average, flying from Billings to Helena generates about 51 kg of CO2 per passenger, and 51 kilograms equals 112 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Billings to Helena

See the map of the shortest flight path between Billings Logan International Airport (BIL) and Helena Regional Airport (HLN).

Airport information

Origin Billings Logan International Airport
City: Billings, MT
Country: United States Flag of United States
IATA Code: BIL
ICAO Code: KBIL
Coordinates: 45°48′27″N, 108°32′34″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