Air Miles Calculator

Distance between Boston, MA (BOS) and Decatur, IL (DEC)

Distance from Boston to Decatur (Decatur Airport – Logan International Airport) is 947 miles / 1524 kilometers / 823 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 946.673 miles
  • 1523.522 kilometers
  • 822.636 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
  • 944.369 miles
  • 1519.815 kilometers
  • 820.635 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Logan International Airport (BOS) to Decatur Airport (DEC) is 2 hours 17 minutes.

Time difference and current local times

The time difference between Boston and Decatur is 1 hour. Decatur is 1 hour behind Boston.

Time Difference

Boston
Decatur

Boston, MA

 EDT

Decatur, IL

 CDT

Airport information


A Logan International Airport
City: Boston, MA
Country: United States Flag of United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″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

Map

Boston to Decatur flight map.

Frequent Flyer Miles Calculator

Boston (BOS) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
947
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
947

Round trip?