How far is Great Falls, MT, from Island Lake?

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

Distance from Island Lake to Great Falls

There are several ways to calculate the distance from Island Lake to Great Falls. 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 Island Lake to Great Falls?

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

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

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

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

On average, flying from Island Lake to Great Falls 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 Island Lake to Great Falls

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

Airport information

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

Destination	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