How far is Helena, MT, from Masset?

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

The driving distance from Masset (ZMT) to Helena (HLN) is 1517 miles / 2441 kilometers, and travel time by car is about 36 hours 10 minutes.

Distance from Masset to Helena

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

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

What is the time difference between Masset and Helena?

The time difference between Masset and Helena is 1 hour. Helena is 1 hour ahead of Masset.

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

On average, flying from Masset to Helena 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 Masset to Helena

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

Airport information

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