How far is Helena, MT, from Butte, MT?

The distance between Butte (Bert Mooney Airport) and Helena (Helena Regional Airport) is 51 miles / 83 kilometers / 45 nautical miles.

The driving distance from Butte (BTM) to Helena (HLN) is 68 miles / 110 kilometers, and travel time by car is about 1 hour 13 minutes.

Distance from Butte to Helena

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

Vincenty's formula (applied above)

• 51.321 miles
• 82.594 kilometers
• 44.597 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

• 51.301 miles
• 82.561 kilometers
• 44.580 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 Butte to Helena?

The estimated flight time from Bert Mooney Airport to Helena Regional Airport is 35 minutes.

What is the time difference between Butte and Helena?

There is no time difference between Butte and Helena.

Flight carbon footprint between Bert Mooney Airport (BTM) and Helena Regional Airport (HLN)

On average, flying from Butte to Helena generates about 33 kg of CO2 per passenger, and 33 kilograms equals 72 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Butte to Helena

See the map of the shortest flight path between Bert Mooney Airport (BTM) and Helena Regional Airport (HLN).

Airport information

Origin	Bert Mooney Airport
City:	Butte, MT
Country:	United States
IATA Code:	BTM
ICAO Code:	KBTM
Coordinates:	45°57′17″N, 112°29′49″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