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How far is Washington D.C. from Port of Spain?

The distance between Port of Spain (Piarco International Airport) and Washington D.C. (Washington Dulles International Airport) is 2191 miles / 3525 kilometers / 1904 nautical miles.

Piarco International Airport – Washington Dulles International Airport

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2191
Miles
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3525
Kilometers
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1904
Nautical miles

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Distance from Port of Spain to Washington D.C.

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

Vincenty's formula (applied above)
  • 2190.556 miles
  • 3525.358 kilometers
  • 1903.541 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
  • 2196.231 miles
  • 3534.491 kilometers
  • 1908.473 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 Washington D.C.?

The estimated flight time from Piarco International Airport to Washington Dulles International Airport is 4 hours and 38 minutes.

Flight carbon footprint between Piarco International Airport (POS) and Washington Dulles International Airport (IAD)

On average, flying from Port of Spain to Washington D.C. generates about 239 kg of CO2 per passenger, and 239 kilograms equals 528 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 Washington D.C.

See the map of the shortest flight path between Piarco International Airport (POS) and Washington Dulles International Airport (IAD).

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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W