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How far is Portsmouth, NH, from Belfast?

The distance between Belfast (George Best Belfast City Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2953 miles / 4752 kilometers / 2566 nautical miles.

George Best Belfast City Airport – Portsmouth International Airport at Pease

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2953
Miles
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4752
Kilometers
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2566
Nautical miles

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Distance from Belfast to Portsmouth

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

Vincenty's formula (applied above)
  • 2952.638 miles
  • 4751.810 kilometers
  • 2565.772 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
  • 2944.419 miles
  • 4738.583 kilometers
  • 2558.630 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 Belfast to Portsmouth?

The estimated flight time from George Best Belfast City Airport to Portsmouth International Airport at Pease is 6 hours and 5 minutes.

Flight carbon footprint between George Best Belfast City Airport (BHD) and Portsmouth International Airport at Pease (PSM)

On average, flying from Belfast to Portsmouth generates about 329 kg of CO2 per passenger, and 329 kilograms equals 724 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Belfast to Portsmouth

See the map of the shortest flight path between George Best Belfast City Airport (BHD) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin George Best Belfast City Airport
City: Belfast
Country: United Kingdom Flag of United Kingdom
IATA Code: BHD
ICAO Code: EGAC
Coordinates: 54°37′5″N, 5°52′20″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