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How far is Helena, MT, from Stony Rapids?

The distance between Stony Rapids (Stony Rapids Airport) and Helena (Helena Regional Airport) is 910 miles / 1465 kilometers / 791 nautical miles.

The driving distance from Stony Rapids (YSF) to Helena (HLN) is 1264 miles / 2034 kilometers, and travel time by car is about 31 hours 45 minutes.

Stony Rapids Airport – Helena Regional Airport

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910
Miles
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1465
Kilometers
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791
Nautical miles

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Distance from Stony Rapids to Helena

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

Vincenty's formula (applied above)
  • 910.227 miles
  • 1464.868 kilometers
  • 790.965 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
  • 909.330 miles
  • 1463.426 kilometers
  • 790.187 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 Stony Rapids to Helena?

The estimated flight time from Stony Rapids Airport to Helena Regional Airport is 2 hours and 13 minutes.

Flight carbon footprint between Stony Rapids Airport (YSF) and Helena Regional Airport (HLN)

On average, flying from Stony Rapids to Helena generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Stony Rapids to Helena

See the map of the shortest flight path between Stony Rapids Airport (YSF) and Helena Regional Airport (HLN).

Airport information

Origin Stony Rapids Airport
City: Stony Rapids
Country: Canada Flag of Canada
IATA Code: YSF
ICAO Code: CYSF
Coordinates: 59°15′1″N, 105°50′27″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