How far is London from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and London (London International Airport) is 523 miles / 841 kilometers / 454 nautical miles.
The driving distance from Portsmouth (PSM) to London (YXU) is 646 miles / 1039 kilometers, and travel time by car is about 13 hours 0 minutes.
Portsmouth International Airport at Pease – London International Airport
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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)- 522.618 miles
- 841.072 kilometers
- 454.143 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- 521.219 miles
- 838.820 kilometers
- 452.927 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 International Airport is 1 hour and 29 minutes.
What is the time difference between Portsmouth and London?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and London International Airport (YXU)
On average, flying from Portsmouth to London generates about 102 kg of CO2 per passenger, and 102 kilograms equals 225 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to London
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and London International Airport (YXU).
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 International Airport |
|---|---|
| City: | London |
| Country: | Canada  |
| IATA Code: | YXU |
| ICAO Code: | CYXU |
| Coordinates: | 43°2′8″N, 81°9′14″W |