How far is Masset from Helena, MT?

The distance between Helena (Helena Regional Airport) and Masset (Masset Airport) is 1023 miles / 1647 kilometers / 889 nautical miles.

The driving distance from Helena (HLN) to Masset (ZMT) is 1517 miles / 2442 kilometers, and travel time by car is about 36 hours 11 minutes.

Distance from Helena to Masset

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

Vincenty's formula (applied above)

• 1023.161 miles
• 1646.618 kilometers
• 889.103 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

• 1020.700 miles
• 1642.657 kilometers
• 886.964 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 Masset?

The estimated flight time from Helena Regional Airport to Masset Airport is 2 hours and 26 minutes.

What is the time difference between Helena and Masset?

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

Flight carbon footprint between Helena Regional Airport (HLN) and Masset Airport (ZMT)

On average, flying from Helena to Masset generates about 152 kg of CO2 per passenger, and 152 kilograms equals 336 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 Masset

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

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	Masset Airport
City:	Masset
Country:	Canada
IATA Code:	ZMT
ICAO Code:	CZMT
Coordinates:	54°1′39″N, 132°7′30″W