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How far is Helena, MT, from Bellingham, WA?

The distance between Bellingham (Bellingham International Airport) and Helena (Helena Regional Airport) is 514 miles / 828 kilometers / 447 nautical miles.

The driving distance from Bellingham (BLI) to Helena (HLN) is 678 miles / 1091 kilometers, and travel time by car is about 12 hours 24 minutes.

Bellingham International Airport – Helena Regional Airport

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514
Miles
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828
Kilometers
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447
Nautical miles

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Distance from Bellingham to Helena

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

Vincenty's formula (applied above)
  • 514.417 miles
  • 827.874 kilometers
  • 447.016 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
  • 513.036 miles
  • 825.651 kilometers
  • 445.816 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 Bellingham to Helena?

The estimated flight time from Bellingham International Airport to Helena Regional Airport is 1 hour and 28 minutes.

Flight carbon footprint between Bellingham International Airport (BLI) and Helena Regional Airport (HLN)

On average, flying from Bellingham to Helena generates about 101 kg of CO2 per passenger, and 101 kilograms equals 222 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Bellingham to Helena

See the map of the shortest flight path between Bellingham International Airport (BLI) and Helena Regional Airport (HLN).

Airport information

Origin Bellingham International Airport
City: Bellingham, WA
Country: United States Flag of United States
IATA Code: BLI
ICAO Code: KBLI
Coordinates: 48°47′34″N, 122°32′16″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