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How far is Portsmouth, NH, from Raleigh, NC?

The distance between Raleigh (Raleigh–Durham International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 654 miles / 1052 kilometers / 568 nautical miles.

The driving distance from Raleigh (RDU) to Portsmouth (PSM) is 758 miles / 1220 kilometers, and travel time by car is about 15 hours 19 minutes.

Raleigh–Durham International Airport – Portsmouth International Airport at Pease

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654
Miles
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1052
Kilometers
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568
Nautical miles

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Distance from Raleigh to Portsmouth

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

Vincenty's formula (applied above)
  • 653.603 miles
  • 1051.873 kilometers
  • 567.966 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
  • 653.502 miles
  • 1051.710 kilometers
  • 567.878 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 Raleigh to Portsmouth?

The estimated flight time from Raleigh–Durham International Airport to Portsmouth International Airport at Pease is 1 hour and 44 minutes.

What is the time difference between Raleigh and Portsmouth?

There is no time difference between Raleigh and Portsmouth.

Flight carbon footprint between Raleigh–Durham International Airport (RDU) and Portsmouth International Airport at Pease (PSM)

On average, flying from Raleigh to Portsmouth generates about 119 kg of CO2 per passenger, and 119 kilograms equals 263 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Raleigh to Portsmouth

See the map of the shortest flight path between Raleigh–Durham International Airport (RDU) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Raleigh–Durham International Airport
City: Raleigh, NC
Country: United States Flag of United States
IATA Code: RDU
ICAO Code: KRDU
Coordinates: 35°52′39″N, 78°47′14″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