Air Miles Calculator logo

How far is Helena, MT, from Windsor Locks, CT?

The distance between Windsor Locks (Bradley International Airport) and Helena (Helena Regional Airport) is 1955 miles / 3147 kilometers / 1699 nautical miles.

The driving distance from Windsor Locks (BDL) to Helena (HLN) is 2281 miles / 3671 kilometers, and travel time by car is about 42 hours 57 minutes.

Bradley International Airport – Helena Regional Airport

Distance arrow
1955
Miles
Distance arrow
3147
Kilometers
Distance arrow
1699
Nautical miles

Search flights

Distance from Windsor Locks to Helena

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

Vincenty's formula (applied above)
  • 1955.244 miles
  • 3146.660 kilometers
  • 1699.060 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
  • 1950.059 miles
  • 3138.315 kilometers
  • 1694.555 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 Windsor Locks to Helena?

The estimated flight time from Bradley International Airport to Helena Regional Airport is 4 hours and 12 minutes.

Flight carbon footprint between Bradley International Airport (BDL) and Helena Regional Airport (HLN)

On average, flying from Windsor Locks to Helena generates about 213 kg of CO2 per passenger, and 213 kilograms equals 470 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Windsor Locks to Helena

See the map of the shortest flight path between Bradley International Airport (BDL) and Helena Regional Airport (HLN).

Airport information

Origin Bradley International Airport
City: Windsor Locks, CT
Country: United States Flag of United States
IATA Code: BDL
ICAO Code: KBDL
Coordinates: 41°56′20″N, 72°40′59″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