"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 (NRT), Japan to Dallas (DFW), USA illustrated on a map. Based on 12 recorded flights, the distance can vary between 6531 and 7233 miles.
Japan
Over water
Japan
Over water
You can also check the reverse route: Dallas to Tokyo