How far is Helena, MT, from Dallas, TX?

The distance between Dallas (Dallas Love Field) and Helena (Helena Regional Airport) is 1241 miles / 1997 kilometers / 1078 nautical miles.

The driving distance from Dallas (DAL) to Helena (HLN) is 1578 miles / 2540 kilometers, and travel time by car is about 28 hours 3 minutes.

Distance from Dallas to Helena

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

Vincenty's formula (applied above)

• 1240.856 miles
• 1996.965 kilometers
• 1078.275 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

• 1240.663 miles
• 1996.653 kilometers
• 1078.106 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 Dallas to Helena?

The estimated flight time from Dallas Love Field to Helena Regional Airport is 2 hours and 50 minutes.

What is the time difference between Dallas and Helena?

The time difference between Dallas and Helena is 1 hour. Helena is 1 hour behind Dallas.

Flight carbon footprint between Dallas Love Field (DAL) and Helena Regional Airport (HLN)

On average, flying from Dallas to Helena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 359 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dallas to Helena

See the map of the shortest flight path between Dallas Love Field (DAL) and Helena Regional Airport (HLN).

Airport information

Origin	Dallas Love Field
City:	Dallas, TX
Country:	United States
IATA Code:	DAL
ICAO Code:	KDAL
Coordinates:	32°50′49″N, 96°51′6″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