How far is Portsmouth, NH, from Charleston, SC?
The distance between Charleston (Charleston International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 863 miles / 1388 kilometers / 750 nautical miles.
The driving distance from Charleston (CHS) to Portsmouth (PSM) is 1020 miles / 1641 kilometers, and travel time by car is about 19 hours 58 minutes.
Charleston International Airport – Portsmouth International Airport at Pease
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Distance from Charleston to Portsmouth
There are several ways to calculate the distance from Charleston to Portsmouth. 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 Charleston to Portsmouth?
The estimated flight time from Charleston International Airport to Portsmouth International Airport at Pease is 2 hours and 7 minutes.
What is the time difference between Charleston and Portsmouth?
There is no time difference between Charleston and Portsmouth.
Flight carbon footprint between Charleston International Airport (CHS) and Portsmouth International Airport at Pease (PSM)
On average, flying from Charleston 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 Charleston to Portsmouth
See the map of the shortest flight path between Charleston International Airport (CHS) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Charleston International Airport |
|---|---|
| City: | Charleston, SC |
| Country: | United States  |
| IATA Code: | CHS |
| ICAO Code: | KCHS |
| Coordinates: | 32°53′54″N, 80°2′25″W |
| Destination | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |