Air Miles Calculator

Distance between Windsor Locks, CT (BDL) and Decatur, IL (DEC)

Flight distance from Windsor Locks to Decatur (Bradley International Airport – Decatur Airport) is 858 miles / 1382 kilometers / 746 nautical miles. Estimated flight time is 2 hours 7 minutes.

Driving distance from Windsor Locks (BDL) to Decatur (DEC) is 1017 miles / 1637 kilometers and travel time by car is about 18 hours 0 minutes.

Map of flight path and driving directions from Windsor Locks to Decatur.

Shortest flight path between Bradley International Airport (BDL) and Decatur Airport (DEC).

How far is Decatur from Windsor Locks?

There are several ways to calculate distances between Windsor Locks and Decatur. Here are two common methods:

Vincenty's formula (applied above)
  • 858.457 miles
  • 1381.553 kilometers
  • 745.979 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
  • 856.362 miles
  • 1378.181 kilometers
  • 744.158 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).

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 Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W

Time difference and current local times

The time difference between Windsor Locks and Decatur is 1 hour. Decatur is 1 hour behind Windsor Locks.

Time Difference

Windsor Locks, CT

 EST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (309 pounds).

Frequent Flyer Miles Calculator

Windsor Locks (BDL) → Decatur (DEC).

Distance:
858
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
858

Round trip?