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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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.
What is the time difference between Great Falls and Holy Cross?
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  |
| 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 |
| IATA Code: | HCR |
| ICAO Code: | PAHC |
| Coordinates: | 62°11′17″N, 159°46′29″W |