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How far is Buffalo, NY, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Buffalo (Buffalo Niagara International Airport) is 401 miles / 645 kilometers / 348 nautical miles.

The driving distance from Portsmouth (PSM) to Buffalo (BUF) is 498 miles / 802 kilometers, and travel time by car is about 9 hours 56 minutes.

Portsmouth International Airport at Pease – Buffalo Niagara International Airport

Distance arrow
401
Miles
Distance arrow
645
Kilometers
Distance arrow
348
Nautical miles

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Distance from Portsmouth to Buffalo

There are several ways to calculate the distance from Portsmouth to Buffalo. Here are two standard methods:

Vincenty's formula (applied above)
  • 400.626 miles
  • 644.745 kilometers
  • 348.134 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
  • 399.555 miles
  • 643.022 kilometers
  • 347.204 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 Buffalo?

The estimated flight time from Portsmouth International Airport at Pease to Buffalo Niagara International Airport is 1 hour and 15 minutes.

What is the time difference between Portsmouth and Buffalo?

There is no time difference between Portsmouth and Buffalo.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Buffalo Niagara International Airport (BUF)

On average, flying from Portsmouth to Buffalo generates about 84 kg of CO2 per passenger, and 84 kilograms equals 185 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 Buffalo

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Buffalo Niagara International Airport (BUF).

Airport information

Origin Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W
Destination Buffalo Niagara International Airport
City: Buffalo, NY
Country: United States Flag of United States
IATA Code: BUF
ICAO Code: KBUF
Coordinates: 42°56′25″N, 78°43′55″W