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How far is St. Theresa Point from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and St. Theresa Point (St. Theresa Point Airport) is 1321 miles / 2126 kilometers / 1148 nautical miles.

Portsmouth International Airport at Pease – St. Theresa Point Airport

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1321
Miles
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2126
Kilometers
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1148
Nautical miles

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Distance from Portsmouth to St. Theresa Point

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

Vincenty's formula (applied above)
  • 1321.165 miles
  • 2126.209 kilometers
  • 1148.061 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
  • 1318.463 miles
  • 2121.860 kilometers
  • 1145.713 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 St. Theresa Point?

The estimated flight time from Portsmouth International Airport at Pease to St. Theresa Point Airport is 3 hours and 0 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and St. Theresa Point Airport (YST)

On average, flying from Portsmouth to St. Theresa Point generates about 168 kg of CO2 per passenger, and 168 kilograms equals 371 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to St. Theresa Point

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and St. Theresa Point Airport (YST).

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 St. Theresa Point Airport
City: St. Theresa Point
Country: Canada Flag of Canada
IATA Code: YST
ICAO Code: CYST
Coordinates: 53°50′44″N, 94°51′6″W