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

The distance between Decatur (Decatur Airport) and Philadelphia (Philadelphia International Airport) is 724 miles / 1165 kilometers / 629 nautical miles.

The driving distance from Decatur (DEC) to Philadelphia (PHL) is 810 miles / 1303 kilometers, and travel time by car is about 15 hours 40 minutes.

Decatur Airport – Philadelphia International Airport

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724
Miles
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1165
Kilometers
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629
Nautical miles

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Distance from Decatur to Philadelphia

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

Vincenty's formula (applied above)
  • 723.786 miles
  • 1164.820 kilometers
  • 628.952 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
  • 721.982 miles
  • 1161.918 kilometers
  • 627.385 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 Philadelphia?

The estimated flight time from Decatur Airport to Philadelphia International Airport is 1 hour and 52 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Philadelphia International Airport (PHL)

On average, flying from Decatur to Philadelphia generates about 127 kg of CO2 per passenger, and 127 kilograms equals 280 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 Philadelphia

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

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 Philadelphia International Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PHL
ICAO Code: KPHL
Coordinates: 39°52′18″N, 75°14′27″W