"See actual flight paths with flightpaths.com"
Weather, politics and local regulations can affect the choice of airspace and flight corridors. Flightpaths.com lets you see the real flight paths and compare passenger airlines and flight times simplified on an interactive map.
Flights from San Francisco (SFO), USA to Portland (PDX), USA illustrated on a map. Based on 67 recorded flights, the distance can vary between 566 and 591 miles.
Over water
Over water
Over water
You can also check the reverse route: Portland to San Francisco