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

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

The driving distance from Decatur (DEC) to Baltimore (BWI) is 741 miles / 1193 kilometers, and travel time by car is about 14 hours 4 minutes.

Decatur Airport – Baltimore–Washington International 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 Decatur to Baltimore

There are several ways to calculate the distance from Decatur to Baltimore. 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 Decatur to Baltimore?

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

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

On average, flying from Decatur to Baltimore 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 Decatur to Baltimore

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

Airport information

Origin 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
Destination 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