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

The distance between Wilmington (Wilmington Airport (Delaware)) and Portsmouth (Portsmouth International Airport at Pease) is 342 miles / 550 kilometers / 297 nautical miles.

The driving distance from Wilmington (ILG) to Portsmouth (PSM) is 390 miles / 628 kilometers, and travel time by car is about 8 hours 2 minutes.

Wilmington Airport (Delaware) – Portsmouth International Airport at Pease

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342
Miles
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550
Kilometers
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297
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)
  • 341.711 miles
  • 549.931 kilometers
  • 296.939 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
  • 341.440 miles
  • 549.494 kilometers
  • 296.703 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 Airport (Delaware) to Portsmouth International Airport at Pease is 1 hour and 8 minutes.

What is the time difference between Wilmington and Portsmouth?

There is no time difference between Wilmington and Portsmouth.

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

On average, flying from Wilmington to Portsmouth generates about 75 kg of CO2 per passenger, and 75 kilograms equals 166 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 Airport (Delaware) (ILG) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Wilmington Airport (Delaware)
City: Wilmington, DE
Country: United States Flag of United States
IATA Code: ILG
ICAO Code: KILG
Coordinates: 39°40′43″N, 75°36′23″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