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

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

The driving distance from Helena (HLN) to Butte (BTM) is 69 miles / 111 kilometers, and travel time by car is about 1 hour 14 minutes.

Distance from Helena to Butte

There are several ways to calculate the distance from Helena to Butte. 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 Helena to Butte?

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

What is the time difference between Helena and Butte?

There is no time difference between Helena and Butte.

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

On average, flying from Helena to Butte 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 Helena to Butte

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

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