How far is Williamsport, PA, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Williamsport (Williamsport Regional Airport) is 338 miles / 543 kilometers / 293 nautical miles.
The driving distance from Portsmouth (PSM) to Williamsport (IPT) is 448 miles / 721 kilometers, and travel time by car is about 8 hours 59 minutes.
Portsmouth International Airport at Pease – Williamsport Regional Airport
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Distance from Portsmouth to Williamsport
There are several ways to calculate the distance from Portsmouth to Williamsport. Here are two standard methods:
Vincenty's formula (applied above)- 337.701 miles
- 543.477 kilometers
- 293.454 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- 336.990 miles
- 542.334 kilometers
- 292.837 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 Portsmouth to Williamsport?
The estimated flight time from Portsmouth International Airport at Pease to Williamsport Regional Airport is 1 hour and 8 minutes.
What is the time difference between Portsmouth and Williamsport?
There is no time difference between Portsmouth and Williamsport.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Williamsport Regional Airport (IPT)
On average, flying from Portsmouth to Williamsport generates about 75 kg of CO2 per passenger, and 75 kilograms equals 165 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 Williamsport
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Williamsport Regional Airport (IPT).
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 | Williamsport Regional Airport |
|---|---|
| City: | Williamsport, PA |
| Country: | United States |
| IATA Code: | IPT |
| ICAO Code: | KIPT |
| Coordinates: | 41°14′30″N, 76°55′15″W |