"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 Beijing (PEK), China illustrated on a map. Based on 42 recorded flights, the distance can vary between 6263 and 6770 miles.