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How far is Portsmouth, NH, from Knoxville, TN?

The distance between Knoxville (Knoxville McGhee Tyson Airport) and Portsmouth (Portsmouth International Airport at Pease) is 863 miles / 1389 kilometers / 750 nautical miles.

The driving distance from Knoxville (TYS) to Portsmouth (PSM) is 989 miles / 1592 kilometers, and travel time by car is about 19 hours 21 minutes.

Knoxville McGhee Tyson Airport – Portsmouth International Airport at Pease

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863
Miles
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1389
Kilometers
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750
Nautical miles

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Distance from Knoxville to Portsmouth

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

Vincenty's formula (applied above)
  • 862.971 miles
  • 1388.817 kilometers
  • 749.901 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
  • 862.011 miles
  • 1387.272 kilometers
  • 749.067 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 Knoxville to Portsmouth?

The estimated flight time from Knoxville McGhee Tyson Airport to Portsmouth International Airport at Pease is 2 hours and 8 minutes.

What is the time difference between Knoxville and Portsmouth?

There is no time difference between Knoxville and Portsmouth.

Flight carbon footprint between Knoxville McGhee Tyson Airport (TYS) and Portsmouth International Airport at Pease (PSM)

On average, flying from Knoxville to Portsmouth generates about 140 kg of CO2 per passenger, and 140 kilograms equals 310 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Knoxville to Portsmouth

See the map of the shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States Flag of United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″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