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How far is Washington D.C. from Pasco, WA?

The distance between Pasco (Tri-Cities Airport (Washington)) and Washington D.C. (Washington Dulles International Airport) is 2157 miles / 3472 kilometers / 1875 nautical miles.

The driving distance from Pasco (PSC) to Washington D.C. (IAD) is 2591 miles / 4170 kilometers, and travel time by car is about 46 hours 30 minutes.

Tri-Cities Airport (Washington) – Washington Dulles International Airport

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2157
Miles
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3472
Kilometers
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1875
Nautical miles

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Distance from Pasco to Washington D.C.

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

Vincenty's formula (applied above)
  • 2157.271 miles
  • 3471.792 kilometers
  • 1874.617 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
  • 2151.994 miles
  • 3463.299 kilometers
  • 1870.032 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 Pasco to Washington D.C.?

The estimated flight time from Tri-Cities Airport (Washington) to Washington Dulles International Airport is 4 hours and 35 minutes.

Flight carbon footprint between Tri-Cities Airport (Washington) (PSC) and Washington Dulles International Airport (IAD)

On average, flying from Pasco to Washington D.C. generates about 235 kg of CO2 per passenger, and 235 kilograms equals 519 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Pasco to Washington D.C.

See the map of the shortest flight path between Tri-Cities Airport (Washington) (PSC) and Washington Dulles International Airport (IAD).

Airport information

Origin Tri-Cities Airport (Washington)
City: Pasco, WA
Country: United States Flag of United States
IATA Code: PSC
ICAO Code: KPSC
Coordinates: 46°15′52″N, 119°7′8″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