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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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.
What is the time difference between Decatur and Portland?
The time difference between Decatur and Portland is 1 hour. Portland is 1 hour ahead of Decatur.
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  |
| 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 |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |