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How far is Portsmouth, NH, from Cape Town?

The distance between Cape Town (Cape Town International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 7733 miles / 12446 kilometers / 6720 nautical miles.

Cape Town International Airport – Portsmouth International Airport at Pease

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7733
Miles
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12446
Kilometers
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6720
Nautical miles

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Distance from Cape Town to Portsmouth

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

Vincenty's formula (applied above)
  • 7733.400 miles
  • 12445.702 kilometers
  • 6720.141 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
  • 7742.265 miles
  • 12459.968 kilometers
  • 6727.844 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 Cape Town to Portsmouth?

The estimated flight time from Cape Town International Airport to Portsmouth International Airport at Pease is 15 hours and 8 minutes.

Flight carbon footprint between Cape Town International Airport (CPT) and Portsmouth International Airport at Pease (PSM)

On average, flying from Cape Town to Portsmouth generates about 960 kg of CO2 per passenger, and 960 kilograms equals 2 116 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cape Town to Portsmouth

See the map of the shortest flight path between Cape Town International Airport (CPT) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Cape Town International Airport
City: Cape Town
Country: South Africa Flag of South Africa
IATA Code: CPT
ICAO Code: FACT
Coordinates: 33°57′53″S, 18°36′6″E
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