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How far is Portland, OR, from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Portland (Portland International Airport) is 129 miles / 208 kilometers / 112 nautical miles.

The driving distance from Seattle (SEA) to Portland (PDX) is 162 miles / 261 kilometers, and travel time by car is about 3 hours 14 minutes.

Seattle–Tacoma International Airport – Portland International Airport

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129
Miles
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208
Kilometers
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112
Nautical miles

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Distance from Seattle to Portland

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

Vincenty's formula (applied above)
  • 129.232 miles
  • 207.979 kilometers
  • 112.300 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
  • 129.267 miles
  • 208.035 kilometers
  • 112.330 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 Seattle to Portland?

The estimated flight time from Seattle–Tacoma International Airport to Portland International Airport is 44 minutes.

What is the time difference between Seattle and Portland?

There is no time difference between Seattle and Portland.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Portland International Airport (PDX)

On average, flying from Seattle to Portland generates about 44 kg of CO2 per passenger, and 44 kilograms equals 97 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Seattle to Portland

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Portland International Airport (PDX).

Airport information

Origin 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
Destination Portland International Airport
City: Portland, OR
Country: United States Flag of United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″W

Airlines flying from Seattle (SEA) to Portland (PDX)

Alaska Airlines
United Airlines