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).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 43 kg (94 pounds).
Seattle to Portland flight map.
Frequent Flyer Miles Calculator
Seattle (SEA) → Portland (PDX).