"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 Tokyo (HND), Japan illustrated on a map. Based on 19 recorded flights, the distance can vary between 5271 and 5500 miles.
Japan
Over water
You can also check the reverse route: Tokyo to San Francisco