How far is Portsmouth, NH, from Lewiston, ID?
The distance between Lewiston (Lewiston–Nez Perce County Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2253 miles / 3625 kilometers / 1958 nautical miles.
The driving distance from Lewiston (LWS) to Portsmouth (PSM) is 2797 miles / 4502 kilometers, and travel time by car is about 52 hours 15 minutes.
Lewiston–Nez Perce County Airport – Portsmouth International Airport at Pease
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Distance from Lewiston to Portsmouth
There are several ways to calculate the distance from Lewiston to Portsmouth. 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 Lewiston to Portsmouth?
The estimated flight time from Lewiston–Nez Perce County Airport to Portsmouth International Airport at Pease is 4 hours and 45 minutes.
What is the time difference between Lewiston and Portsmouth?
Flight carbon footprint between Lewiston–Nez Perce County Airport (LWS) and Portsmouth International Airport at Pease (PSM)
On average, flying from Lewiston to Portsmouth 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 Lewiston to Portsmouth
See the map of the shortest flight path between Lewiston–Nez Perce County Airport (LWS) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | 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 |
| 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 |