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

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

The driving distance from Florence (FLO) to Portsmouth (PSM) is 896 miles / 1442 kilometers, and travel time by car is about 17 hours 44 minutes.

Florence Regional Airport – Portsmouth International Airport at Pease

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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 Florence to Portsmouth

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

The estimated flight time from Florence Regional Airport to Portsmouth International Airport at Pease is 1 hour and 58 minutes.

What is the time difference between Florence and Portsmouth?

There is no time difference between Florence and Portsmouth.

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

On average, flying from Florence to Portsmouth 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 Florence to Portsmouth

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

Airport information

Origin 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
Destination 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