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How far is Portland, ME, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Portland (Portland International Jetport) is 992 miles / 1597 kilometers / 862 nautical miles.

The driving distance from Decatur (DEC) to Portland (PWM) is 1204 miles / 1938 kilometers, and travel time by car is about 22 hours 49 minutes.

Decatur Airport – Portland International Jetport

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992
Miles
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1597
Kilometers
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862
Nautical miles

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Distance from Decatur to Portland

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

Vincenty's formula (applied above)
  • 992.213 miles
  • 1596.812 kilometers
  • 862.209 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
  • 989.895 miles
  • 1593.081 kilometers
  • 860.195 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 Portland?

The estimated flight time from Decatur Airport to Portland International Jetport is 2 hours and 22 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Portland International Jetport (PWM)

On average, flying from Decatur to Portland generates about 150 kg of CO2 per passenger, and 150 kilograms equals 331 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 Portland

See the map of the shortest flight path between Decatur Airport (DEC) and Portland International Jetport (PWM).

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 Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W