How far is Kos from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Kos (Kos International Airport) is 4905 miles / 7894 kilometers / 4262 nautical miles.

Distance from Portsmouth to Kos

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

Vincenty's formula (applied above)

• 4905.174 miles
• 7894.113 kilometers
• 4262.480 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

• 4893.276 miles
• 7874.965 kilometers
• 4252.141 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 Kos?

The estimated flight time from Portsmouth International Airport at Pease to Kos International Airport is 9 hours and 47 minutes.

What is the time difference between Portsmouth and Kos?

The time difference between Portsmouth and Kos is 7 hours. Kos is 7 hours ahead of Portsmouth.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Kos International Airport (KGS)

On average, flying from Portsmouth to Kos generates about 572 kg of CO2 per passenger, and 572 kilograms equals 1 260 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Kos

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

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	Kos International Airport
City:	Kos
Country:	Greece
IATA Code:	KGS
ICAO Code:	LGKO
Coordinates:	36°47′35″N, 27°5′30″E