Air Miles Calculator logo

How far is Helena, MT, from Bloomington, IL?

The distance between Bloomington (Central Illinois Regional Airport) and Helena (Helena Regional Airport) is 1228 miles / 1976 kilometers / 1067 nautical miles.

The driving distance from Bloomington (BMI) to Helena (HLN) is 1486 miles / 2392 kilometers, and travel time by car is about 26 hours 27 minutes.

Central Illinois Regional Airport – Helena Regional Airport

Distance arrow
1228
Miles
Distance arrow
1976
Kilometers
Distance arrow
1067
Nautical miles

Search flights

Distance from Bloomington to Helena

There are several ways to calculate the distance from Bloomington to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 1227.846 miles
  • 1976.027 kilometers
  • 1066.969 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
  • 1225.043 miles
  • 1971.516 kilometers
  • 1064.534 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 Bloomington to Helena?

The estimated flight time from Central Illinois Regional Airport to Helena Regional Airport is 2 hours and 49 minutes.

Flight carbon footprint between Central Illinois Regional Airport (BMI) and Helena Regional Airport (HLN)

On average, flying from Bloomington to Helena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 358 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Bloomington to Helena

See the map of the shortest flight path between Central Illinois Regional Airport (BMI) and Helena Regional Airport (HLN).

Airport information

Origin Central Illinois Regional Airport
City: Bloomington, IL
Country: United States Flag of United States
IATA Code: BMI
ICAO Code: KBMI
Coordinates: 40°28′37″N, 88°54′57″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