How far is Lethbridge from Helena, MT?

The distance between Helena (Helena Regional Airport) and Lethbridge (Lethbridge Airport) is 212 miles / 342 kilometers / 184 nautical miles.

The driving distance from Helena (HLN) to Lethbridge (YQL) is 266 miles / 428 kilometers, and travel time by car is about 4 hours 34 minutes.

Distance from Helena to Lethbridge

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

Vincenty's formula (applied above)

• 212.287 miles
• 341.643 kilometers
• 184.473 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

• 212.272 miles
• 341.619 kilometers
• 184.459 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 Lethbridge?

The estimated flight time from Helena Regional Airport to Lethbridge Airport is 54 minutes.

What is the time difference between Helena and Lethbridge?

There is no time difference between Helena and Lethbridge.

Flight carbon footprint between Helena Regional Airport (HLN) and Lethbridge Airport (YQL)

On average, flying from Helena to Lethbridge generates about 56 kg of CO2 per passenger, and 56 kilograms equals 124 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 Lethbridge

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

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	Lethbridge Airport
City:	Lethbridge
Country:	Canada
IATA Code:	YQL
ICAO Code:	CYQL
Coordinates:	49°37′49″N, 112°48′0″W