How far is Helena, MT, from Chicago, IL?
The distance between Chicago (Chicago Midway International Airport) and Helena (Helena Regional Airport) is 1243 miles / 2001 kilometers / 1080 nautical miles.
The driving distance from Chicago (MDW) to Helena (HLN) is 1473 miles / 2370 kilometers, and travel time by car is about 26 hours 25 minutes.
Chicago Midway International Airport – Helena Regional Airport
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Distance from Chicago to Helena
There are several ways to calculate the distance from Chicago to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1243.231 miles
- 2000.787 kilometers
- 1080.338 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- 1240.131 miles
- 1995.797 kilometers
- 1077.644 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 Chicago to Helena?
The estimated flight time from Chicago Midway International Airport to Helena Regional Airport is 2 hours and 51 minutes.
What is the time difference between Chicago and Helena?
The time difference between Chicago and Helena is 1 hour. Helena is 1 hour behind Chicago.
Flight carbon footprint between Chicago Midway International Airport (MDW) and Helena Regional Airport (HLN)
On average, flying from Chicago to Helena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 360 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chicago to Helena
See the map of the shortest flight path between Chicago Midway International Airport (MDW) and Helena Regional Airport (HLN).
Airport information
| Origin | Chicago Midway International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | MDW |
| ICAO Code: | KMDW |
| Coordinates: | 41°47′9″N, 87°45′8″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 |