How far is Helena, MT, from Roberval?

The distance between Roberval (Roberval Airport) and Helena (Helena Regional Airport) is 1841 miles / 2963 kilometers / 1600 nautical miles.

The driving distance from Roberval (YRJ) to Helena (HLN) is 2481 miles / 3993 kilometers, and travel time by car is about 47 hours 58 minutes.

Distance from Roberval to Helena

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

Vincenty's formula (applied above)

• 1840.902 miles
• 2962.644 kilometers
• 1599.700 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

• 1835.520 miles
• 2953.983 kilometers
• 1595.023 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 Roberval to Helena?

The estimated flight time from Roberval Airport to Helena Regional Airport is 3 hours and 59 minutes.

What is the time difference between Roberval and Helena?

The time difference between Roberval and Helena is 2 hours. Helena is 2 hours behind Roberval.

Flight carbon footprint between Roberval Airport (YRJ) and Helena Regional Airport (HLN)

On average, flying from Roberval to Helena generates about 203 kg of CO2 per passenger, and 203 kilograms equals 448 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Roberval to Helena

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

Airport information

Origin	Roberval Airport
City:	Roberval
Country:	Canada
IATA Code:	YRJ
ICAO Code:	CYRJ
Coordinates:	48°31′12″N, 72°15′56″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