Air Miles Calculator logo

How far is Helena, MT, from Port Hardy?

The distance between Port Hardy (Port Hardy Airport) and Helena (Helena Regional Airport) is 757 miles / 1218 kilometers / 658 nautical miles.

The driving distance from Port Hardy (YZT) to Helena (HLN) is 1010 miles / 1626 kilometers, and travel time by car is about 20 hours 42 minutes.

Port Hardy Airport – Helena Regional Airport

Distance arrow
757
Miles
Distance arrow
1218
Kilometers
Distance arrow
658
Nautical miles

Search flights

Distance from Port Hardy to Helena

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

Vincenty's formula (applied above)
  • 756.814 miles
  • 1217.974 kilometers
  • 657.654 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
  • 754.850 miles
  • 1214.813 kilometers
  • 655.947 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 Port Hardy to Helena?

The estimated flight time from Port Hardy Airport to Helena Regional Airport is 1 hour and 55 minutes.

Flight carbon footprint between Port Hardy Airport (YZT) and Helena Regional Airport (HLN)

On average, flying from Port Hardy to Helena generates about 131 kg of CO2 per passenger, and 131 kilograms equals 288 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Port Hardy to Helena

See the map of the shortest flight path between Port Hardy Airport (YZT) and Helena Regional Airport (HLN).

Airport information

Origin Port Hardy Airport
City: Port Hardy
Country: Canada Flag of Canada
IATA Code: YZT
ICAO Code: CYZT
Coordinates: 50°40′50″N, 127°22′1″W
Destination Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W