How far is Portsmouth, NH, from Helsinki?

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

Distance from Helsinki to Portsmouth

There are several ways to calculate the distance from Helsinki to Portsmouth. 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 Helsinki to Portsmouth?

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

What is the time difference between Helsinki and Portsmouth?

The time difference between Helsinki and Portsmouth is 7 hours. Portsmouth is 7 hours behind Helsinki.

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

On average, flying from Helsinki to Portsmouth 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 Helsinki to Portsmouth

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

Airport information

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