How far is Portsmouth, NH, from London?

The distance between London (London City Airport) and Portsmouth (Portsmouth International Airport at Pease) is 3248 miles / 5228 kilometers / 2823 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)

• 3248.472 miles
• 5227.908 kilometers
• 2822.845 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

• 3239.341 miles
• 5213.215 kilometers
• 2814.911 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 London City Airport to Portsmouth International Airport at Pease is 6 hours and 39 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 London City Airport (LCY) and Portsmouth International Airport at Pease (PSM)

On average, flying from London to Portsmouth generates about 364 kg of CO2 per passenger, and 364 kilograms equals 803 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 London City Airport (LCY) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin	London City Airport
City:	London
Country:	United Kingdom
IATA Code:	LCY
ICAO Code:	EGLC
Coordinates:	51°30′19″N, 0°3′19″E

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