How far is Helena, MT, from Eau Claire, WI?
The distance between Eau Claire (Chippewa Valley Regional Airport) and Helena (Helena Regional Airport) is 996 miles / 1603 kilometers / 865 nautical miles.
The driving distance from Eau Claire (EAU) to Helena (HLN) is 1149 miles / 1849 kilometers, and travel time by car is about 20 hours 30 minutes.
Chippewa Valley Regional Airport – Helena Regional Airport
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Distance from Eau Claire to Helena
There are several ways to calculate the distance from Eau Claire to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 995.751 miles
- 1602.506 kilometers
- 865.284 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- 992.977 miles
- 1598.042 kilometers
- 862.874 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 Eau Claire to Helena?
The estimated flight time from Chippewa Valley Regional Airport to Helena Regional Airport is 2 hours and 23 minutes.
What is the time difference between Eau Claire and Helena?
The time difference between Eau Claire and Helena is 1 hour. Helena is 1 hour behind Eau Claire.
Flight carbon footprint between Chippewa Valley Regional Airport (EAU) and Helena Regional Airport (HLN)
On average, flying from Eau Claire to Helena generates about 151 kg of CO2 per passenger, and 151 kilograms equals 332 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Eau Claire to Helena
See the map of the shortest flight path between Chippewa Valley Regional Airport (EAU) and Helena Regional Airport (HLN).
Airport information
| Origin | Chippewa Valley Regional Airport |
|---|---|
| City: | Eau Claire, WI |
| Country: | United States  |
| IATA Code: | EAU |
| ICAO Code: | KEAU |
| Coordinates: | 44°51′56″N, 91°29′3″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 |