Air Miles Calculator

Distance between Baltimore, MD (BWI) and Decatur, IL (DEC)

Distance from Baltimore to Decatur (Baltimore–Washington International Airport – Decatur Airport) is 653 miles / 1051 kilometers / 567 nautical miles.

How far is Decatur from Baltimore?

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

Vincenty's formula (applied above)
  • 652.934 miles
  • 1050.796 kilometers
  • 567.384 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
  • 651.333 miles
  • 1048.219 kilometers
  • 565.993 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 Baltimore–Washington International Airport (BWI) to Decatur Airport (DEC) is 1 hour 44 minutes.

Time difference and current local times

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

Time Difference

Baltimore
Decatur

Baltimore, MD

 EST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 119 kg (263 pounds).

Airport information


A Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″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

Baltimore to Decatur flight map.

Frequent Flyer Miles Calculator

Baltimore (BWI) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
653
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
653

Round trip?