How far is Portsmouth, NH, from Williston, ND?
The distance between Williston (Williston Basin International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1621 miles / 2608 kilometers / 1408 nautical miles.
The driving distance from Williston (XWA) to Portsmouth (PSM) is 2014 miles / 3241 kilometers, and travel time by car is about 38 hours 38 minutes.
Williston Basin International Airport – Portsmouth International Airport at Pease
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Distance from Williston to Portsmouth
There are several ways to calculate the distance from Williston to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 1620.604 miles
- 2608.109 kilometers
- 1408.266 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- 1616.282 miles
- 2601.153 kilometers
- 1404.510 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 Williston to Portsmouth?
The estimated flight time from Williston Basin International Airport to Portsmouth International Airport at Pease is 3 hours and 34 minutes.
What is the time difference between Williston and Portsmouth?
Flight carbon footprint between Williston Basin International Airport (XWA) and Portsmouth International Airport at Pease (PSM)
On average, flying from Williston to Portsmouth generates about 187 kg of CO2 per passenger, and 187 kilograms equals 413 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Williston to Portsmouth
See the map of the shortest flight path between Williston Basin International Airport (XWA) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Williston Basin International Airport |
|---|---|
| City: | Williston, ND |
| Country: | United States  |
| IATA Code: | XWA |
| ICAO Code: | KXWA |
| Coordinates: | 48°15′30″N, 103°44′55″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 |