How far is Helena, MT, from International Falls, MN?
The distance between International Falls (Falls International Airport) and Helena (Helena Regional Airport) is 877 miles / 1411 kilometers / 762 nautical miles.
The driving distance from International Falls (INL) to Helena (HLN) is 1095 miles / 1762 kilometers, and travel time by car is about 19 hours 58 minutes.
Falls International Airport – Helena Regional Airport
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Distance from International Falls to Helena
There are several ways to calculate the distance from International Falls to Helena. 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 International Falls to Helena?
The estimated flight time from Falls International Airport to Helena Regional Airport is 2 hours and 9 minutes.
What is the time difference between International Falls and Helena?
Flight carbon footprint between Falls International Airport (INL) and Helena Regional Airport (HLN)
On average, flying from International Falls to Helena 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 International Falls to Helena
See the map of the shortest flight path between Falls International Airport (INL) and Helena Regional Airport (HLN).
Airport information
| Origin | 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 |
| 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 |