How far is Helena, MT, from Grand Forks, ND?
The distance between Grand Forks (Grand Forks International Airport) and Helena (Helena Regional Airport) is 701 miles / 1128 kilometers / 609 nautical miles.
The driving distance from Grand Forks (GFK) to Helena (HLN) is 877 miles / 1411 kilometers, and travel time by car is about 15 hours 46 minutes.
Grand Forks International Airport – Helena Regional Airport
Search flights
Distance from Grand Forks to Helena
There are several ways to calculate the distance from Grand Forks to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 701.161 miles
- 1128.409 kilometers
- 609.292 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- 699.149 miles
- 1125.171 kilometers
- 607.544 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 Grand Forks to Helena?
The estimated flight time from Grand Forks International Airport to Helena Regional Airport is 1 hour and 49 minutes.
What is the time difference between Grand Forks and Helena?
The time difference between Grand Forks and Helena is 1 hour. Helena is 1 hour behind Grand Forks.
Flight carbon footprint between Grand Forks International Airport (GFK) and Helena Regional Airport (HLN)
On average, flying from Grand Forks to Helena generates about 125 kg of CO2 per passenger, and 125 kilograms equals 275 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Grand Forks to Helena
See the map of the shortest flight path between Grand Forks International Airport (GFK) and Helena Regional Airport (HLN).
Airport information
| Origin | Grand Forks International Airport |
|---|---|
| City: | Grand Forks, ND |
| Country: | United States  |
| IATA Code: | GFK |
| ICAO Code: | KGFK |
| Coordinates: | 47°56′57″N, 97°10′33″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 |