How far is Island Lake from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Island Lake (Island Lake Airport) is 853 miles / 1373 kilometers / 742 nautical miles.

Distance from Great Falls to Island Lake

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

Vincenty's formula (applied above)

• 853.309 miles
• 1373.267 kilometers
• 741.505 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

• 851.265 miles
• 1369.978 kilometers
• 739.729 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 Island Lake?

The estimated flight time from Great Falls International Airport to Island Lake Airport is 2 hours and 6 minutes.

What is the time difference between Great Falls and Island Lake?

The time difference between Great Falls and Island Lake is 1 hour. Island Lake is 1 hour ahead of Great Falls.

Flight carbon footprint between Great Falls International Airport (GTF) and Island Lake Airport (YIV)

On average, flying from Great Falls to Island Lake generates about 140 kg of CO2 per passenger, and 140 kilograms equals 308 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Great Falls to Island Lake

See the map of the shortest flight path between Great Falls International Airport (GTF) and Island Lake Airport (YIV).

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	Island Lake Airport
City:	Island Lake
Country:	Canada
IATA Code:	YIV
ICAO Code:	CYIV
Coordinates:	53°51′25″N, 94°39′12″W