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How far is Helena, MT, from Mary's Harbour?

The distance between Mary's Harbour (Mary's Harbour Airport) and Helena (Helena Regional Airport) is 2495 miles / 4015 kilometers / 2168 nautical miles.

The driving distance from Mary's Harbour (YMH) to Helena (HLN) is 3581 miles / 5763 kilometers, and travel time by car is about 74 hours 53 minutes.

Mary's Harbour Airport – Helena Regional Airport

Distance arrow
2495
Miles
Distance arrow
4015
Kilometers
Distance arrow
2168
Nautical miles
Flight time duration
5 h 13 min
Time Difference
3 h 30 min
CO2 emission
275 kg

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Distance from Mary's Harbour to Helena

There are several ways to calculate the distance from Mary's Harbour to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 2494.515 miles
  • 4014.533 kilometers
  • 2167.674 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
  • 2487.099 miles
  • 4002.597 kilometers
  • 2161.230 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 Mary's Harbour to Helena?

The estimated flight time from Mary's Harbour Airport to Helena Regional Airport is 5 hours and 13 minutes.

Flight carbon footprint between Mary's Harbour Airport (YMH) and Helena Regional Airport (HLN)

On average, flying from Mary's Harbour to Helena generates about 275 kg of CO2 per passenger, and 275 kilograms equals 605 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Mary's Harbour to Helena

See the map of the shortest flight path between Mary's Harbour Airport (YMH) and Helena Regional Airport (HLN).

Airport information

Origin Mary's Harbour Airport
City: Mary's Harbour
Country: Canada Flag of Canada
IATA Code: YMH
ICAO Code: CYMH
Coordinates: 52°18′10″N, 55°50′49″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