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How far is Flint, MI, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Flint (Bishop International Airport) is 1403 miles / 2259 kilometers / 1220 nautical miles.

The driving distance from Helena (HLN) to Flint (FNT) is 1630 miles / 2624 kilometers, and travel time by car is about 30 hours 19 minutes.

Helena Regional Airport – Bishop International Airport

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1403
Miles
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2259
Kilometers
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1220
Nautical miles

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Distance from Helena to Flint

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

Vincenty's formula (applied above)
  • 1403.404 miles
  • 2258.560 kilometers
  • 1219.525 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
  • 1399.660 miles
  • 2252.534 kilometers
  • 1216.271 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 Helena to Flint?

The estimated flight time from Helena Regional Airport to Bishop International Airport is 3 hours and 9 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Bishop International Airport (FNT)

On average, flying from Helena to Flint generates about 173 kg of CO2 per passenger, and 173 kilograms equals 382 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Helena to Flint

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

Airport information

Origin 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
Destination Bishop International Airport
City: Flint, MI
Country: United States Flag of United States
IATA Code: FNT
ICAO Code: KFNT
Coordinates: 42°57′55″N, 83°44′36″W