Air Miles Calculator logo

How far is Helena, MT, from Charlo?

The distance between Charlo (Charlo Airport) and Helena (Helena Regional Airport) is 2116 miles / 3405 kilometers / 1839 nautical miles.

The driving distance from Charlo (YCL) to Helena (HLN) is 2687 miles / 4324 kilometers, and travel time by car is about 51 hours 39 minutes.

Charlo Airport – Helena Regional Airport

Distance arrow
2116
Miles
Distance arrow
3405
Kilometers
Distance arrow
1839
Nautical miles

Search flights

Distance from Charlo to Helena

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

Vincenty's formula (applied above)
  • 2115.944 miles
  • 3405.281 kilometers
  • 1838.705 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
  • 2109.771 miles
  • 3395.347 kilometers
  • 1833.341 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 Charlo to Helena?

The estimated flight time from Charlo Airport to Helena Regional Airport is 4 hours and 30 minutes.

Flight carbon footprint between Charlo Airport (YCL) and Helena Regional Airport (HLN)

On average, flying from Charlo to Helena generates about 231 kg of CO2 per passenger, and 231 kilograms equals 509 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Charlo to Helena

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

Airport information

Origin Charlo Airport
City: Charlo
Country: Canada Flag of Canada
IATA Code: YCL
ICAO Code: CYCL
Coordinates: 47°59′26″N, 66°19′49″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