"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 Osaka (KIX), Japan to Helsinki (HEL), Finland illustrated on a map. Based on 6 recorded flights, the distance can vary between 7116 and 7213 miles.