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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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1243
Miles
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2001
Kilometers
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1080
Nautical miles

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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.

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 Flag of 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 Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W