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

The distance between Chattanooga (Chattanooga Metropolitan Airport) and Portsmouth (Portsmouth International Airport at Pease) is 950 miles / 1528 kilometers / 825 nautical miles.

The driving distance from Chattanooga (CHA) to Portsmouth (PSM) is 1076 miles / 1731 kilometers, and travel time by car is about 20 hours 48 minutes.

Chattanooga Metropolitan Airport – Portsmouth International Airport at Pease

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950
Miles
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1528
Kilometers
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825
Nautical miles

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Distance from Chattanooga to Portsmouth

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

Vincenty's formula (applied above)
  • 949.652 miles
  • 1528.316 kilometers
  • 825.225 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
  • 948.645 miles
  • 1526.697 kilometers
  • 824.350 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 Chattanooga to Portsmouth?

The estimated flight time from Chattanooga Metropolitan Airport to Portsmouth International Airport at Pease is 2 hours and 17 minutes.

What is the time difference between Chattanooga and Portsmouth?

There is no time difference between Chattanooga and Portsmouth.

Flight carbon footprint between Chattanooga Metropolitan Airport (CHA) and Portsmouth International Airport at Pease (PSM)

On average, flying from Chattanooga to Portsmouth generates about 147 kg of CO2 per passenger, and 147 kilograms equals 325 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chattanooga to Portsmouth

See the map of the shortest flight path between Chattanooga Metropolitan Airport (CHA) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Chattanooga Metropolitan Airport
City: Chattanooga, TN
Country: United States Flag of United States
IATA Code: CHA
ICAO Code: KCHA
Coordinates: 35°2′7″N, 85°12′13″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