Air Miles Calculator

Distance between Portland, OR (PDX) and Seattle, WA (SEA)

Distance from Portland to Seattle (Portland International Airport – Seattle–Tacoma International Airport) is 129 miles / 208 kilometers / 112 nautical miles.

How far is Seattle from Portland?

There are several ways to calculate distances between Portland and Seattle. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from Portland International Airport (PDX) to Seattle–Tacoma International Airport (SEA) is 44 minutes.

Time difference and current local times

There is no time difference between Portland and Seattle.

Time Difference

Portland
Seattle

Portland, OR

 PST

Seattle, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 43 kg (94 pounds).

Airport information


A 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

B 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

Map

Portland to Seattle flight map.

Frequent Flyer Miles Calculator

Portland (PDX) → Seattle (SEA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
129
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
129

Round trip?