How far is International Falls, MN, from Helena, MT?
The distance between Helena (Helena Regional Airport) and International Falls (Falls International Airport) is 877 miles / 1411 kilometers / 762 nautical miles.
The driving distance from Helena (HLN) to International Falls (INL) is 1097 miles / 1765 kilometers, and travel time by car is about 19 hours 57 minutes.
Helena Regional Airport – Falls International Airport
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Distance from Helena to International Falls
There are several ways to calculate the distance from Helena to International Falls. Here are two standard methods:
Vincenty's formula (applied above)- 876.650 miles
- 1410.831 kilometers
- 761.788 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- 874.135 miles
- 1406.784 kilometers
- 759.603 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 International Falls?
The estimated flight time from Helena Regional Airport to Falls International Airport is 2 hours and 9 minutes.
What is the time difference between Helena and International Falls?
Flight carbon footprint between Helena Regional Airport (HLN) and Falls International Airport (INL)
On average, flying from Helena to International Falls generates about 142 kg of CO2 per passenger, and 142 kilograms equals 312 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 International Falls
See the map of the shortest flight path between Helena Regional Airport (HLN) and Falls International Airport (INL).
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 | Falls International Airport |
|---|---|
| City: | International Falls, MN |
| Country: | United States |
| IATA Code: | INL |
| ICAO Code: | KINL |
| Coordinates: | 48°33′58″N, 93°24′11″W |