"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 Tokyo (HND), Japan to Detroit (DTW), USA illustrated on a map. Based on 6 recorded flights, the distance can vary between 6580 and 7210 miles.
Canada
Japan
Over water
Japan
Over water
Canada
You can also check the reverse route: Detroit to Tokyo