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How far is Florence, SC, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Florence (Florence Regional Airport) is 779 miles / 1253 kilometers / 677 nautical miles.

The driving distance from Portsmouth (PSM) to Florence (FLO) is 896 miles / 1442 kilometers, and travel time by car is about 17 hours 43 minutes.

Portsmouth International Airport at Pease – Florence Regional Airport

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779
Miles
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1253
Kilometers
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677
Nautical miles

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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)
  • 778.849 miles
  • 1253.436 kilometers
  • 676.801 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
  • 778.945 miles
  • 1253.591 kilometers
  • 676.885 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 Regional Airport is 1 hour and 58 minutes.

What is the time difference between Portsmouth and Florence?

There is no time difference between Portsmouth and Florence.

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

On average, flying from Portsmouth to Florence generates about 133 kg of CO2 per passenger, and 133 kilograms equals 293 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portsmouth to Florence

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

Airport information

Origin Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W
Destination Florence Regional Airport
City: Florence, SC
Country: United States Flag of United States
IATA Code: FLO
ICAO Code: KFLO
Coordinates: 34°11′7″N, 79°43′26″W