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How far is Portsmouth, NH, from Freetown?

The distance between Freetown (Lungi International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 4196 miles / 6753 kilometers / 3646 nautical miles.

Lungi International Airport – Portsmouth International Airport at Pease

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4196
Miles
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6753
Kilometers
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3646
Nautical miles

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Distance from Freetown to Portsmouth

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

Vincenty's formula (applied above)
  • 4196.056 miles
  • 6752.897 kilometers
  • 3646.273 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
  • 4195.735 miles
  • 6752.382 kilometers
  • 3645.994 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 Freetown to Portsmouth?

The estimated flight time from Lungi International Airport to Portsmouth International Airport at Pease is 8 hours and 26 minutes.

Flight carbon footprint between Lungi International Airport (FNA) and Portsmouth International Airport at Pease (PSM)

On average, flying from Freetown to Portsmouth generates about 481 kg of CO2 per passenger, and 481 kilograms equals 1 060 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Freetown to Portsmouth

See the map of the shortest flight path between Lungi International Airport (FNA) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Lungi International Airport
City: Freetown
Country: Sierra Leone Flag of Sierra Leone
IATA Code: FNA
ICAO Code: GFLL
Coordinates: 8°36′59″N, 13°11′43″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