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

The distance between Portland (Portland International Airport) and Decatur (Decatur Airport) is 1749 miles / 2814 kilometers / 1519 nautical miles.

The driving distance from Portland (PDX) to Decatur (DEC) is 2074 miles / 3337 kilometers, and travel time by car is about 36 hours 6 minutes.

Portland International Airport – Decatur Airport

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1749
Miles
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2814
Kilometers
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1519
Nautical miles

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Distance from Portland to Decatur

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

Vincenty's formula (applied above)
  • 1748.607 miles
  • 2814.110 kilometers
  • 1519.498 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
  • 1744.294 miles
  • 2807.168 kilometers
  • 1515.750 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 Portland to Decatur?

The estimated flight time from Portland International Airport to Decatur Airport is 3 hours and 48 minutes.

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

On average, flying from Portland to Decatur generates about 196 kg of CO2 per passenger, and 196 kilograms equals 432 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Decatur

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

Airport information

Origin Portland International Airport
City: Portland, OR
Country: United States Flag of United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″W
Destination 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