"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 Copenhagen (CPH), Denmark illustrated on a map. Based on 6 recorded flights, the distance can vary between 7315 and 7603 miles.
You can also check the reverse route: Copenhagen to Tokyo