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How far is Seattle, WA, from Pasco, WA?

The distance between Pasco (Tri-Cities Airport (Washington)) and Seattle (Seattle–Tacoma International Airport) is 172 miles / 277 kilometers / 149 nautical miles. The estimated flight time is 49 minutes.

Driving distance from Pasco (PSC) to Seattle (SEA) is 231 miles / 371 kilometers and travel time by car is about 4 hours 21 minutes.

Tri-Cities Airport (Washington) – Seattle–Tacoma International Airport

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172
Miles
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277
Kilometers
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149
Nautical miles

Distance from Pasco to Seattle

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

Vincenty's formula (applied above)
  • 171.856 miles
  • 276.575 kilometers
  • 149.339 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
  • 171.480 miles
  • 275.971 kilometers
  • 149.012 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 Seattle?

The estimated flight time from Tri-Cities Airport (Washington) to Seattle–Tacoma International Airport is 49 minutes.

What is the time difference between Pasco and Seattle?

There is no time difference between Pasco and Seattle.

Flight carbon footprint between Tri-Cities Airport (Washington) (PSC) and Seattle–Tacoma International Airport (SEA)

On average, flying from Pasco to Seattle generates about 50 kg of CO2 per passenger, and 50 kilograms equals 111 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 Seattle

Shortest flight path between Tri-Cities Airport (Washington) (PSC) and Seattle–Tacoma International Airport (SEA).

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 Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Airlines flying from Pasco (PSC) to Seattle (SEA)

Alaska Airlines