How far is Helena, MT, from Champaign, IL?
The distance between Champaign (University of Illinois Willard Airport) and Helena (Helena Regional Airport) is 1272 miles / 2047 kilometers / 1105 nautical miles.
The driving distance from Champaign (CMI) to Helena (HLN) is 1539 miles / 2476 kilometers, and travel time by car is about 27 hours 24 minutes.
University of Illinois Willard Airport – Helena Regional Airport
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Distance from Champaign to Helena
There are several ways to calculate the distance from Champaign to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1271.849 miles
- 2046.843 kilometers
- 1105.207 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- 1269.004 miles
- 2042.263 kilometers
- 1102.734 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 Champaign to Helena?
The estimated flight time from University of Illinois Willard Airport to Helena Regional Airport is 2 hours and 54 minutes.
What is the time difference between Champaign and Helena?
The time difference between Champaign and Helena is 1 hour. Helena is 1 hour behind Champaign.
Flight carbon footprint between University of Illinois Willard Airport (CMI) and Helena Regional Airport (HLN)
On average, flying from Champaign to Helena generates about 165 kg of CO2 per passenger, and 165 kilograms equals 364 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Champaign to Helena
See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Helena Regional Airport (HLN).
Airport information
| Origin | University of Illinois Willard Airport |
|---|---|
| City: | Champaign, IL |
| Country: | United States  |
| IATA Code: | CMI |
| ICAO Code: | KCMI |
| Coordinates: | 40°2′21″N, 88°16′41″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 |