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

The distance between Portsmouth (Portsmouth International Airport at Pease) and Wilmington (Wilmington International Airport) is 717 miles / 1155 kilometers / 623 nautical miles.

The driving distance from Portsmouth (PSM) to Wilmington (ILM) is 857 miles / 1379 kilometers, and travel time by car is about 17 hours 6 minutes.

Portsmouth International Airport at Pease – Wilmington International Airport

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717
Miles
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1155
Kilometers
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623
Nautical miles

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Distance from Portsmouth to Wilmington

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

Vincenty's formula (applied above)
  • 717.418 miles
  • 1154.572 kilometers
  • 623.419 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
  • 717.787 miles
  • 1155.166 kilometers
  • 623.740 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 Wilmington?

The estimated flight time from Portsmouth International Airport at Pease to Wilmington International Airport is 1 hour and 51 minutes.

What is the time difference between Portsmouth and Wilmington?

There is no time difference between Portsmouth and Wilmington.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Wilmington International Airport (ILM)

On average, flying from Portsmouth to Wilmington generates about 126 kg of CO2 per passenger, and 126 kilograms equals 279 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 Wilmington

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

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 Wilmington International Airport
City: Wilmington, NC
Country: United States Flag of United States
IATA Code: ILM
ICAO Code: KILM
Coordinates: 34°16′14″N, 77°54′9″W