How far is Portland, ME, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Portland (Portland International Jetport) is 47 miles / 76 kilometers / 41 nautical miles.
The driving distance from Portsmouth (PSM) to Portland (PWM) is 55 miles / 88 kilometers, and travel time by car is about 1 hour 15 minutes.
Portsmouth International Airport at Pease – Portland International Jetport
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Distance from Portsmouth to Portland
There are several ways to calculate the distance from Portsmouth to Portland. Here are two standard methods:
Vincenty's formula (applied above)- 47.004 miles
- 75.646 kilometers
- 40.846 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- 46.994 miles
- 75.629 kilometers
- 40.837 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 Portsmouth to Portland?
The estimated flight time from Portsmouth International Airport at Pease to Portland International Jetport is 35 minutes.
What is the time difference between Portsmouth and Portland?
There is no time difference between Portsmouth and Portland.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Portland International Jetport (PWM)
On average, flying from Portsmouth to Portland generates about 32 kg of CO2 per passenger, and 32 kilograms equals 70 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Portland
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Portland International Jetport (PWM).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″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 |