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How far is Portsmouth, NH, from Georgetown?

The distance between Georgetown (Owen Roberts International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1750 miles / 2816 kilometers / 1521 nautical miles.

Owen Roberts International Airport – Portsmouth International Airport at Pease

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1750
Miles
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2816
Kilometers
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1521
Nautical miles

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Distance from Georgetown to Portsmouth

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

Vincenty's formula (applied above)
  • 1750.034 miles
  • 2816.406 kilometers
  • 1520.738 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
  • 1753.961 miles
  • 2822.727 kilometers
  • 1524.151 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 Georgetown to Portsmouth?

The estimated flight time from Owen Roberts International Airport to Portsmouth International Airport at Pease is 3 hours and 48 minutes.

What is the time difference between Georgetown and Portsmouth?

There is no time difference between Georgetown and Portsmouth.

Flight carbon footprint between Owen Roberts International Airport (GCM) and Portsmouth International Airport at Pease (PSM)

On average, flying from Georgetown to Portsmouth generates about 196 kg of CO2 per passenger, and 196 kilograms equals 433 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Georgetown to Portsmouth

See the map of the shortest flight path between Owen Roberts International Airport (GCM) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Owen Roberts International Airport
City: Georgetown
Country: Cayman Islands Flag of Cayman Islands
IATA Code: GCM
ICAO Code: MWCR
Coordinates: 19°17′34″N, 81°21′27″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