Air Miles Calculator

Distance between Windsor Locks, CT (BDL) and Helena, MT (HLN)

Distance from Windsor Locks to Helena (Bradley International Airport – Helena Regional Airport) is 1955 miles / 3147 kilometers / 1699 nautical miles.

How far is Helena from Windsor Locks?

There are several ways to calculate distances between Windsor Locks and Helena. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from Bradley International Airport (BDL) to Helena Regional Airport (HLN) is 4 hours 12 minutes.

Time difference and current local times

The time difference between Windsor Locks and Helena is 2 hours. Helena is 2 hours behind Windsor Locks.

Time Difference

Windsor Locks
Helena

Windsor Locks, CT

 EST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 216 kg (476 pounds).

Airport information


A 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

B 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

Map

Windsor Locks to Helena flight map.

Frequent Flyer Miles Calculator

Windsor Locks (BDL) → Helena (HLN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1955
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1955

Round trip?