How far is Sofia from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Sofia (Sofia Airport) is 4499 miles / 7241 kilometers / 3910 nautical miles.

Distance from Portsmouth to Sofia

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

Vincenty's formula (applied above)

• 4499.059 miles
• 7240.534 kilometers
• 3909.575 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

• 4487.186 miles
• 7221.426 kilometers
• 3899.258 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 Sofia?

The estimated flight time from Portsmouth International Airport at Pease to Sofia Airport is 9 hours and 1 minutes.

What is the time difference between Portsmouth and Sofia?

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

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Sofia Airport (SOF)

On average, flying from Portsmouth to Sofia generates about 519 kg of CO2 per passenger, and 519 kilograms equals 1 145 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Sofia

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

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	Sofia Airport
City:	Sofia
Country:	Bulgaria
IATA Code:	SOF
ICAO Code:	LBSF
Coordinates:	42°41′48″N, 23°24′41″E