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How far is Williston, ND, from Port of Spain?

The distance between Port of Spain (Piarco International Airport) and Williston (Williston Basin International Airport) is 3567 miles / 5740 kilometers / 3099 nautical miles.

Piarco International Airport – Williston Basin International Airport

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3567
Miles
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5740
Kilometers
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3099
Nautical miles

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Distance from Port of Spain to Williston

There are several ways to calculate the distance from Port of Spain to Williston. Here are two standard methods:

Vincenty's formula (applied above)
  • 3566.723 miles
  • 5740.085 kilometers
  • 3099.398 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
  • 3569.154 miles
  • 5743.997 kilometers
  • 3101.510 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 Port of Spain to Williston?

The estimated flight time from Piarco International Airport to Williston Basin International Airport is 7 hours and 15 minutes.

Flight carbon footprint between Piarco International Airport (POS) and Williston Basin International Airport (XWA)

On average, flying from Port of Spain to Williston generates about 403 kg of CO2 per passenger, and 403 kilograms equals 888 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Port of Spain to Williston

See the map of the shortest flight path between Piarco International Airport (POS) and Williston Basin International Airport (XWA).

Airport information

Origin Piarco International Airport
City: Port of Spain
Country: Trinidad and Tobago Flag of Trinidad and Tobago
IATA Code: POS
ICAO Code: TTPP
Coordinates: 10°35′43″N, 61°20′13″W
Destination Williston Basin International Airport
City: Williston, ND
Country: United States Flag of United States
IATA Code: XWA
ICAO Code: KXWA
Coordinates: 48°15′30″N, 103°44′55″W