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How far is Portsmouth, NH, from Kathmandu?

The distance between Kathmandu (Tribhuvan International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 7332 miles / 11799 kilometers / 6371 nautical miles.

Tribhuvan International Airport – Portsmouth International Airport at Pease

Distance arrow
7332
Miles
Distance arrow
11799
Kilometers
Distance arrow
6371
Nautical miles
Flight time duration
14 h 22 min
Time Difference
10 h 45 min
CO2 emission
902 kg

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Distance from Kathmandu to Portsmouth

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

Vincenty's formula (applied above)
  • 7331.862 miles
  • 11799.489 kilometers
  • 6371.214 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
  • 7318.018 miles
  • 11777.209 kilometers
  • 6359.184 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 Kathmandu to Portsmouth?

The estimated flight time from Tribhuvan International Airport to Portsmouth International Airport at Pease is 14 hours and 22 minutes.

Flight carbon footprint between Tribhuvan International Airport (KTM) and Portsmouth International Airport at Pease (PSM)

On average, flying from Kathmandu to Portsmouth generates about 902 kg of CO2 per passenger, and 902 kilograms equals 1 988 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Kathmandu to Portsmouth

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

Airport information

Origin Tribhuvan International Airport
City: Kathmandu
Country: Nepal Flag of Nepal
IATA Code: KTM
ICAO Code: VNKT
Coordinates: 27°41′47″N, 85°21′32″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