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How far is Harrisburg, PA, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Harrisburg (Harrisburg International Airport) is 642 miles / 1033 kilometers / 558 nautical miles.

The driving distance from Decatur (DEC) to Harrisburg (MDT) is 715 miles / 1151 kilometers, and travel time by car is about 13 hours 46 minutes.

Decatur Airport – Harrisburg International Airport

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642
Miles
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1033
Kilometers
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558
Nautical miles

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Distance from Decatur to Harrisburg

There are several ways to calculate the distance from Decatur to Harrisburg. Here are two standard methods:

Vincenty's formula (applied above)
  • 642.012 miles
  • 1033.218 kilometers
  • 557.893 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
  • 640.410 miles
  • 1030.640 kilometers
  • 556.501 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 Harrisburg?

The estimated flight time from Decatur Airport to Harrisburg International Airport is 1 hour and 42 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Harrisburg International Airport (MDT)

On average, flying from Decatur to Harrisburg generates about 118 kg of CO2 per passenger, and 118 kilograms equals 260 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 Harrisburg

See the map of the shortest flight path between Decatur Airport (DEC) and Harrisburg International Airport (MDT).

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 Harrisburg International Airport
City: Harrisburg, PA
Country: United States Flag of United States
IATA Code: MDT
ICAO Code: KMDT
Coordinates: 40°11′36″N, 76°45′48″W