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

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

The driving distance from Fort Hood (GRK) to Portsmouth (PSM) is 1980 miles / 3186 kilometers, and travel time by car is about 36 hours 52 minutes.

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

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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 Fort Hood to Portsmouth

There are several ways to calculate the distance from Fort Hood to Portsmouth. 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 Fort Hood to Portsmouth?

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

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

On average, flying from Fort Hood to Portsmouth 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 Fort Hood to Portsmouth

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

Airport information

Origin 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
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