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

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

The driving distance from Wilmington (ILM) to Portsmouth (PSM) is 857 miles / 1379 kilometers, and travel time by car is about 17 hours 5 minutes.

Wilmington International Airport – Portsmouth International Airport at Pease

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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 Wilmington to Portsmouth

There are several ways to calculate the distance from Wilmington to Portsmouth. 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 Wilmington to Portsmouth?

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

What is the time difference between Wilmington and Portsmouth?

There is no time difference between Wilmington and Portsmouth.

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

On average, flying from Wilmington to Portsmouth 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 Wilmington to Portsmouth

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

Airport information

Origin 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
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