How far is Smithers from Helena, MT?

The distance between Helena (Helena Regional Airport) and Smithers (Smithers Airport) is 873 miles / 1405 kilometers / 758 nautical miles.

The driving distance from Helena (HLN) to Smithers (YYD) is 1117 miles / 1798 kilometers, and travel time by car is about 23 hours 9 minutes.

Distance from Helena to Smithers

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

Vincenty's formula (applied above)

• 872.854 miles
• 1404.722 kilometers
• 758.489 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

• 871.130 miles
• 1401.948 kilometers
• 756.991 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 Smithers?

The estimated flight time from Helena Regional Airport to Smithers Airport is 2 hours and 9 minutes.

What is the time difference between Helena and Smithers?

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

Flight carbon footprint between Helena Regional Airport (HLN) and Smithers Airport (YYD)

On average, flying from Helena to Smithers generates about 141 kg of CO2 per passenger, and 141 kilograms equals 312 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 Smithers

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

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	Smithers Airport
City:	Smithers
Country:	Canada
IATA Code:	YYD
ICAO Code:	CYYD
Coordinates:	54°49′28″N, 127°10′58″W