Air Miles Calculator

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

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

How far is Portland from Seattle?

There are several ways to calculate distances between Seattle and Portland. 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 Seattle–Tacoma International Airport (SEA) to Portland International Airport (PDX) is 44 minutes.

Time difference and current local times

There is no time difference between Seattle and Portland.

Time Difference

Seattle
Portland

Seattle, WA

 PDT

Portland, OR

 PDT

Carbon dioxide emissions

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

Airport information


A 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

B 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

Seattle to Portland flight path

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Portland International Airport (PDX).

Frequent Flyer Miles Calculator

Seattle (SEA) → Portland (PDX).

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?