How far is Helsinki from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Helsinki (Helsinki Airport) is 3891 miles / 6263 kilometers / 3382 nautical miles.

Distance from Portsmouth to Helsinki

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

Vincenty's formula (applied above)

• 3891.380 miles
• 6262.570 kilometers
• 3381.517 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

• 3880.163 miles
• 6244.517 kilometers
• 3371.769 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 Helsinki?

The estimated flight time from Portsmouth International Airport at Pease to Helsinki Airport is 7 hours and 52 minutes.

What is the time difference between Portsmouth and Helsinki?

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

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Helsinki Airport (HEL)

On average, flying from Portsmouth to Helsinki generates about 443 kg of CO2 per passenger, and 443 kilograms equals 976 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Helsinki

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

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	Helsinki Airport
City:	Helsinki
Country:	Finland
IATA Code:	HEL
ICAO Code:	EFHK
Coordinates:	60°19′1″N, 24°57′47″E