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How far is Holy Cross, AK, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Holy Cross (Holy Cross Airport) is 2116 miles / 3406 kilometers / 1839 nautical miles.

The driving distance from Great Falls (GTF) to Holy Cross (HCR) is 2861 miles / 4605 kilometers, and travel time by car is about 109 hours 41 minutes.

Great Falls International Airport – Holy Cross Airport

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2116
Miles
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3406
Kilometers
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1839
Nautical miles

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Distance from Great Falls to Holy Cross

There are several ways to calculate the distance from Great Falls to Holy Cross. Here are two standard methods:

Vincenty's formula (applied above)
  • 2116.222 miles
  • 3405.729 kilometers
  • 1838.946 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
  • 2110.275 miles
  • 3396.158 kilometers
  • 1833.779 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 Great Falls to Holy Cross?

The estimated flight time from Great Falls International Airport to Holy Cross Airport is 4 hours and 30 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Holy Cross Airport (HCR)

On average, flying from Great Falls to Holy Cross generates about 231 kg of CO2 per passenger, and 231 kilograms equals 509 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Holy Cross

See the map of the shortest flight path between Great Falls International Airport (GTF) and Holy Cross Airport (HCR).

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W
Destination Holy Cross Airport
City: Holy Cross, AK
Country: United States Flag of United States
IATA Code: HCR
ICAO Code: PAHC
Coordinates: 62°11′17″N, 159°46′29″W