How far is Helena, MT, from Waterloo, IA?
The distance between Waterloo (Waterloo Regional Airport) and Helena (Helena Regional Airport) is 1003 miles / 1614 kilometers / 872 nautical miles.
The driving distance from Waterloo (ALO) to Helena (HLN) is 1192 miles / 1919 kilometers, and travel time by car is about 21 hours 14 minutes.
Waterloo Regional Airport – Helena Regional Airport
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Distance from Waterloo to Helena
There are several ways to calculate the distance from Waterloo to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1003.016 miles
- 1614.198 kilometers
- 871.597 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- 1000.509 miles
- 1610.163 kilometers
- 869.418 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 Waterloo to Helena?
The estimated flight time from Waterloo Regional Airport to Helena Regional Airport is 2 hours and 23 minutes.
What is the time difference between Waterloo and Helena?
The time difference between Waterloo and Helena is 1 hour. Helena is 1 hour behind Waterloo.
Flight carbon footprint between Waterloo Regional Airport (ALO) and Helena Regional Airport (HLN)
On average, flying from Waterloo to Helena generates about 151 kg of CO2 per passenger, and 151 kilograms equals 333 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Waterloo to Helena
See the map of the shortest flight path between Waterloo Regional Airport (ALO) and Helena Regional Airport (HLN).
Airport information
| Origin | Waterloo Regional Airport |
|---|---|
| City: | Waterloo, IA |
| Country: | United States  |
| IATA Code: | ALO |
| ICAO Code: | KALO |
| Coordinates: | 42°33′25″N, 92°24′1″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 |