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How far is Decatur, IL, from Baltimore, MD?

The distance between Baltimore (Baltimore–Washington International Airport) and Decatur (Decatur Airport) is 653 miles / 1051 kilometers / 567 nautical miles.

The driving distance from Baltimore (BWI) to Decatur (DEC) is 742 miles / 1194 kilometers, and travel time by car is about 14 hours 7 minutes.

Baltimore–Washington International Airport – Decatur Airport

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653
Miles
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1051
Kilometers
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567
Nautical miles

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Distance from Baltimore to Decatur

There are several ways to calculate the distance from Baltimore to Decatur. Here are two standard 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 planet.

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).

How long does it take to fly from Baltimore to Decatur?

The estimated flight time from Baltimore–Washington International Airport to Decatur Airport is 1 hour and 44 minutes.

Flight carbon footprint between Baltimore–Washington International Airport (BWI) and Decatur Airport (DEC)

On average, flying from Baltimore to Decatur generates about 119 kg of CO2 per passenger, and 119 kilograms equals 263 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Baltimore to Decatur

See the map of the shortest flight path between Baltimore–Washington International Airport (BWI) and Decatur Airport (DEC).

Airport information

Origin 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
Destination 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