"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 Kolkata (CCU), India to Delhi (DEL), India illustrated on a map. Based on 51 recorded flights, the distance can vary between 822 and 888 miles.
India
India
India
You can also check the reverse route: Delhi to Kolkata