"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 Seattle (SEA), USA to Shanghai (PVG), China illustrated on a map. Based on 6 recorded flights, the distance can vary between 5878 and 5888 miles.
Japan
Over water
Japan
Over water
Canada