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How far is Charleston, SC, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Charleston (Charleston International Airport) is 863 miles / 1388 kilometers / 750 nautical miles.

The driving distance from Portsmouth (PSM) to Charleston (CHS) is 1020 miles / 1641 kilometers, and travel time by car is about 19 hours 56 minutes.

Portsmouth International Airport at Pease – Charleston International Airport

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863
Miles
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1388
Kilometers
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750
Nautical miles

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Distance from Portsmouth to Charleston

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

Vincenty's formula (applied above)
  • 862.518 miles
  • 1388.088 kilometers
  • 749.508 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
  • 862.847 miles
  • 1388.617 kilometers
  • 749.793 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 Charleston?

The estimated flight time from Portsmouth International Airport at Pease to Charleston International Airport is 2 hours and 7 minutes.

What is the time difference between Portsmouth and Charleston?

There is no time difference between Portsmouth and Charleston.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Charleston International Airport (CHS)

On average, flying from Portsmouth to Charleston 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 Portsmouth to Charleston

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

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 Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″W