How far is Portland, OR, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Portland (Portland International Airport) is 2527 miles / 4066 kilometers / 2196 nautical miles.
The driving distance from Portsmouth (PSM) to Portland (PDX) is 3145 miles / 5062 kilometers, and travel time by car is about 55 hours 59 minutes.
Portsmouth International Airport at Pease – Portland International Airport
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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)- 2526.764 miles
- 4066.432 kilometers
- 2195.698 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- 2519.859 miles
- 4055.320 kilometers
- 2189.698 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 Airport is 5 hours and 17 minutes.
What is the time difference between Portsmouth and Portland?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Portland International Airport (PDX)
On average, flying from Portsmouth to Portland generates about 278 kg of CO2 per passenger, and 278 kilograms equals 614 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 Airport (PDX).
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 Airport |
|---|---|
| City: | Portland, OR |
| Country: | United States |
| IATA Code: | PDX |
| ICAO Code: | KPDX |
| Coordinates: | 45°35′19″N, 122°35′52″W |