How far is Helena, MT, from Reykjavik?

The distance between Reykjavik (Keflavík International Airport) and Helena (Helena Regional Airport) is 3395 miles / 5463 kilometers / 2950 nautical miles.

Distance from Reykjavik to Helena

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

Vincenty's formula (applied above)

• 3394.654 miles
• 5463.166 kilometers
• 2949.874 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

• 3384.287 miles
• 5446.481 kilometers
• 2940.865 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 Reykjavik to Helena?

The estimated flight time from Keflavík International Airport to Helena Regional Airport is 6 hours and 55 minutes.

What is the time difference between Reykjavik and Helena?

The time difference between Reykjavik and Helena is 7 hours. Helena is 7 hours behind Reykjavik.

Flight carbon footprint between Keflavík International Airport (KEF) and Helena Regional Airport (HLN)

On average, flying from Reykjavik to Helena generates about 382 kg of CO2 per passenger, and 382 kilograms equals 842 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Reykjavik to Helena

See the map of the shortest flight path between Keflavík International Airport (KEF) and Helena Regional Airport (HLN).

Airport information

Origin	Keflavík International Airport
City:	Reykjavik
Country:	Iceland
IATA Code:	KEF
ICAO Code:	BIKF
Coordinates:	63°59′6″N, 22°36′20″W

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