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

The distance between Decatur (Decatur Airport) and Allentown (Lehigh Valley International Airport) is 711 miles / 1145 kilometers / 618 nautical miles.

The driving distance from Decatur (DEC) to Allentown (ABE) is 792 miles / 1274 kilometers, and travel time by car is about 15 hours 23 minutes.

Decatur Airport – Lehigh Valley International Airport

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711
Miles
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1145
Kilometers
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618
Nautical miles

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Distance from Decatur to Allentown

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

Vincenty's formula (applied above)
  • 711.348 miles
  • 1144.804 kilometers
  • 618.145 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
  • 709.577 miles
  • 1141.954 kilometers
  • 616.606 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 Allentown?

The estimated flight time from Decatur Airport to Lehigh Valley International Airport is 1 hour and 50 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Lehigh Valley International Airport (ABE)

On average, flying from Decatur to Allentown generates about 126 kg of CO2 per passenger, and 126 kilograms equals 277 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 Allentown

See the map of the shortest flight path between Decatur Airport (DEC) and Lehigh Valley International Airport (ABE).

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 Lehigh Valley International Airport
City: Allentown, PA
Country: United States Flag of United States
IATA Code: ABE
ICAO Code: KABE
Coordinates: 40°39′7″N, 75°26′26″W