How far is Florence from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Florence (Florence Airport) is 3943 miles / 6345 kilometers / 3426 nautical miles.

Distance from Portsmouth to Florence

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

Vincenty's formula (applied above)

• 3942.882 miles
• 6345.454 kilometers
• 3426.271 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

• 3932.302 miles
• 6328.427 kilometers
• 3417.077 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 Florence?

The estimated flight time from Portsmouth International Airport at Pease to Florence Airport is 7 hours and 57 minutes.

What is the time difference between Portsmouth and Florence?

The time difference between Portsmouth and Florence is 6 hours. Florence is 6 hours ahead of Portsmouth.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Florence Airport (FLR)

On average, flying from Portsmouth to Florence generates about 449 kg of CO2 per passenger, and 449 kilograms equals 990 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Florence

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

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	Florence Airport
City:	Florence
Country:	Italy
IATA Code:	FLR
ICAO Code:	LIRQ
Coordinates:	43°48′36″N, 11°12′18″E