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.
Roberval Airport – Helena Regional Airport
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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 |