"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 Kathmandu (KTM), Nepal to Istanbul (IST), Turkiye illustrated on a map. Based on 6 recorded flights, the distance can vary between 3532 and 3685 miles.
You can also check the reverse route: Istanbul to Kathmandu