How far is London from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and London (London Stansted Airport) is 3247 miles / 5226 kilometers / 2822 nautical miles.

Distance from Portsmouth to London

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

Vincenty's formula (applied above)

• 3247.257 miles
• 5225.954 kilometers
• 2821.789 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

• 3238.124 miles
• 5211.256 kilometers
• 2813.853 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 London?

The estimated flight time from Portsmouth International Airport at Pease to London Stansted Airport is 6 hours and 38 minutes.

What is the time difference between Portsmouth and London?

The time difference between Portsmouth and London is 5 hours. London is 5 hours ahead of Portsmouth.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and London Stansted Airport (STN)

On average, flying from Portsmouth to London generates about 364 kg of CO2 per passenger, and 364 kilograms equals 802 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to London

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and London Stansted Airport (STN).

Airport information

Origin	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

Destination	London Stansted Airport
City:	London
Country:	United Kingdom
IATA Code:	STN
ICAO Code:	EGSS
Coordinates:	51°53′5″N, 0°14′5″E