"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 Denver (DEN), USA to Tokyo (NRT), Japan illustrated on a map. Based on 24 recorded flights, the distance can vary between 5862 and 6059 miles.
Japan
Over water
You can also check the reverse route: Tokyo to Denver