How far is Portsmouth, NH, from London?

The distance between London (Luton Airport) and Portsmouth (Portsmouth International Airport at Pease) is 3223 miles / 5187 kilometers / 2801 nautical miles.

Distance from London to Portsmouth

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

Vincenty's formula (applied above)

• 3223.024 miles
• 5186.954 kilometers
• 2800.731 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

• 3213.964 miles
• 5172.373 kilometers
• 2792.858 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 London to Portsmouth?

The estimated flight time from Luton Airport to Portsmouth International Airport at Pease is 6 hours and 36 minutes.

What is the time difference between London and Portsmouth?

The time difference between London and Portsmouth is 5 hours. Portsmouth is 5 hours behind London.

Flight carbon footprint between Luton Airport (LTN) and Portsmouth International Airport at Pease (PSM)

On average, flying from London to Portsmouth generates about 361 kg of CO2 per passenger, and 361 kilograms equals 796 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Portsmouth

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

Airport information

Origin	Luton Airport
City:	London
Country:	United Kingdom
IATA Code:	LTN
ICAO Code:	EGGW
Coordinates:	51°52′28″N, 0°22′5″W

Destination	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