How far is Lewiston, ID, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Lewiston (Lewiston–Nez Perce County Airport) is 2253 miles / 3625 kilometers / 1958 nautical miles.
The driving distance from Portsmouth (PSM) to Lewiston (LWS) is 2794 miles / 4497 kilometers, and travel time by car is about 52 hours 11 minutes.
Portsmouth International Airport at Pease – Lewiston–Nez Perce County Airport
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Distance from Portsmouth to Lewiston
There are several ways to calculate the distance from Portsmouth to Lewiston. Here are two standard methods:
Vincenty's formula (applied above)- 2252.722 miles
- 3625.405 kilometers
- 1957.562 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- 2246.555 miles
- 3615.480 kilometers
- 1952.203 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 Lewiston?
The estimated flight time from Portsmouth International Airport at Pease to Lewiston–Nez Perce County Airport is 4 hours and 45 minutes.
What is the time difference between Portsmouth and Lewiston?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Lewiston–Nez Perce County Airport (LWS)
On average, flying from Portsmouth to Lewiston generates about 246 kg of CO2 per passenger, and 246 kilograms equals 543 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 Lewiston
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Lewiston–Nez Perce County Airport (LWS).
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 | Lewiston–Nez Perce County Airport |
|---|---|
| City: | Lewiston, ID |
| Country: | United States |
| IATA Code: | LWS |
| ICAO Code: | KLWS |
| Coordinates: | 46°22′28″N, 117°0′53″W |