How far is Island Lake from Helena, MT?

The distance between Helena (Helena Regional Airport) and Island Lake (Island Lake Airport) is 914 miles / 1470 kilometers / 794 nautical miles.

Distance from Helena to Island Lake

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

Vincenty's formula (applied above)

• 913.533 miles
• 1470.189 kilometers
• 793.838 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

• 911.467 miles
• 1466.863 kilometers
• 792.043 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 Helena to Island Lake?

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

What is the time difference between Helena and Island Lake?

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

Flight carbon footprint between Helena Regional Airport (HLN) and Island Lake Airport (YIV)

On average, flying from Helena to Island Lake generates about 145 kg of CO2 per passenger, and 145 kilograms equals 319 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Helena to Island Lake

See the map of the shortest flight path between Helena Regional Airport (HLN) and Island Lake Airport (YIV).

Airport information

Origin	Helena Regional Airport
City:	Helena, MT
Country:	United States
IATA Code:	HLN
ICAO Code:	KHLN
Coordinates:	46°36′24″N, 111°58′58″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