How far is Portsmouth, NH, from Portland, ME?
The distance between Portland (Portland International Jetport) and Portsmouth (Portsmouth International Airport at Pease) is 47 miles / 76 kilometers / 41 nautical miles.
The driving distance from Portland (PWM) to Portsmouth (PSM) is 54 miles / 87 kilometers, and travel time by car is about 1 hour 17 minutes.
Portland International Jetport – Portsmouth International Airport at Pease
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Distance from Portland to Portsmouth
There are several ways to calculate the distance from Portland to Portsmouth. 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 Portland to Portsmouth?
The estimated flight time from Portland International Jetport to Portsmouth International Airport at Pease is 35 minutes.
What is the time difference between Portland and Portsmouth?
There is no time difference between Portland and Portsmouth.
Flight carbon footprint between Portland International Jetport (PWM) and Portsmouth International Airport at Pease (PSM)
On average, flying from Portland to Portsmouth 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 Portland to Portsmouth
See the map of the shortest flight path between Portland International Jetport (PWM) and Portsmouth International Airport at Pease (PSM).
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 | 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 |