"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 Helsinki (HEL), Finland to Bangkok (BKK), Thailand illustrated on a map. Based on 30 recorded flights, the distance can vary between 6046 and 6358 miles.
You can also check the reverse route: Bangkok to Helsinki