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

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

The driving distance from Buffalo (BUF) to Portsmouth (PSM) is 502 miles / 808 kilometers, and travel time by car is about 9 hours 58 minutes.

Buffalo Niagara International Airport – Portsmouth International Airport at Pease

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401
Miles
Distance arrow
645
Kilometers
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348
Nautical miles

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Distance from Buffalo to Portsmouth

There are several ways to calculate the distance from Buffalo to Portsmouth. 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 Buffalo to Portsmouth?

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

What is the time difference between Buffalo and Portsmouth?

There is no time difference between Buffalo and Portsmouth.

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

On average, flying from Buffalo to Portsmouth 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 Buffalo to Portsmouth

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

Airport information

Origin 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
Destination 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