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How far is Portsmouth, NH, from Saint Thomas?

The distance between Saint Thomas (Cyril E. King Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1739 miles / 2798 kilometers / 1511 nautical miles.

Cyril E. King Airport – Portsmouth International Airport at Pease

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1739
Miles
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2798
Kilometers
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1511
Nautical miles

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Distance from Saint Thomas to Portsmouth

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

Vincenty's formula (applied above)
  • 1738.529 miles
  • 2797.891 kilometers
  • 1510.740 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
  • 1743.253 miles
  • 2805.494 kilometers
  • 1514.846 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 Saint Thomas to Portsmouth?

The estimated flight time from Cyril E. King Airport to Portsmouth International Airport at Pease is 3 hours and 47 minutes.

Flight carbon footprint between Cyril E. King Airport (STT) and Portsmouth International Airport at Pease (PSM)

On average, flying from Saint Thomas to Portsmouth generates about 195 kg of CO2 per passenger, and 195 kilograms equals 431 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Saint Thomas to Portsmouth

See the map of the shortest flight path between Cyril E. King Airport (STT) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Cyril E. King Airport
City: Saint Thomas
Country: U.S. Virgin Islands Flag of U.S. Virgin Islands
IATA Code: STT
ICAO Code: TIST
Coordinates: 18°20′14″N, 64°58′24″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