How far is Helena, MT, from Déline?

The distance between Déline (Déline Airport) and Helena (Helena Regional Airport) is 1357 miles / 2184 kilometers / 1179 nautical miles.

The driving distance from Déline (YWJ) to Helena (HLN) is 1727 miles / 2779 kilometers, and travel time by car is about 40 hours 37 minutes.

Distance from Déline to Helena

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

Vincenty's formula (applied above)

• 1356.812 miles
• 2183.577 kilometers
• 1179.037 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

• 1354.803 miles
• 2180.345 kilometers
• 1177.292 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 Déline to Helena?

The estimated flight time from Déline Airport to Helena Regional Airport is 3 hours and 4 minutes.

What is the time difference between Déline and Helena?

There is no time difference between Déline and Helena.

Flight carbon footprint between Déline Airport (YWJ) and Helena Regional Airport (HLN)

On average, flying from Déline to Helena generates about 170 kg of CO2 per passenger, and 170 kilograms equals 376 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Déline to Helena

See the map of the shortest flight path between Déline Airport (YWJ) and Helena Regional Airport (HLN).

Airport information

Origin	Déline Airport
City:	Déline
Country:	Canada
IATA Code:	YWJ
ICAO Code:	CYWJ
Coordinates:	65°12′39″N, 123°26′9″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