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How far is Fort Hood, TX, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Fort Hood (Killeen–Fort Hood Regional Airport) is 1696 miles / 2729 kilometers / 1474 nautical miles.

The driving distance from Portsmouth (PSM) to Fort Hood (GRK) is 1979 miles / 3185 kilometers, and travel time by car is about 36 hours 51 minutes.

Portsmouth International Airport at Pease – Killeen–Fort Hood Regional Airport

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1696
Miles
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2729
Kilometers
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1474
Nautical miles

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Distance from Portsmouth to Fort Hood

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

Vincenty's formula (applied above)
  • 1695.701 miles
  • 2728.966 kilometers
  • 1473.524 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
  • 1693.482 miles
  • 2725.395 kilometers
  • 1471.596 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 Portsmouth to Fort Hood?

The estimated flight time from Portsmouth International Airport at Pease to Killeen–Fort Hood Regional Airport is 3 hours and 42 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Killeen–Fort Hood Regional Airport (GRK)

On average, flying from Portsmouth to Fort Hood generates about 192 kg of CO2 per passenger, and 192 kilograms equals 424 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portsmouth to Fort Hood

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Killeen–Fort Hood Regional Airport (GRK).

Airport information

Origin 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
Destination Killeen–Fort Hood Regional Airport
City: Fort Hood, TX
Country: United States Flag of United States
IATA Code: GRK
ICAO Code: KGRK
Coordinates: 31°4′1″N, 97°49′44″W