How far is Decatur, IL, from Portland, ME?
The distance between Portland (Portland International Jetport) and Decatur (Decatur Airport) is 992 miles / 1597 kilometers / 862 nautical miles.
The driving distance from Portland (PWM) to Decatur (DEC) is 1200 miles / 1932 kilometers, and travel time by car is about 22 hours 50 minutes.
Portland International Jetport – Decatur Airport
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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)- 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 Portland to Decatur?
The estimated flight time from Portland International Jetport to Decatur Airport is 2 hours and 22 minutes.
What is the time difference between Portland and Decatur?
The time difference between Portland and Decatur is 1 hour. Decatur is 1 hour behind Portland.
Flight carbon footprint between Portland International Jetport (PWM) and Decatur Airport (DEC)
On average, flying from Portland to Decatur 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 Portland to Decatur
See the map of the shortest flight path between Portland International Jetport (PWM) and Decatur Airport (DEC).
Airport information
| Origin | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States  |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |