Distance from Kolkata to Chennai

The straight-line (great-circle) distance between Kolkata and Chennai is 1,359.9 kilometres, roughly 2 h 6 min by plane at 850 km/h. By road it is about 1,665 km via NH16 and Chilika Bypass, which takes around 20 h 35 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line1,359.9 km
By road1,665 km
Driving time20 h 35 min
Flight time2 h 6 min

About this page

This page is for travellers planning a trip from Kolkata, West Bengal to Chennai, Tamil Nadu. The straight-line distance comes from the haversine formula (great-circle distance). The road distance and driving time are the fastest car route on the OpenStreetMap road network, computed with OSRM; the actual time depends on traffic, stops and the highways you choose. Kolkata sits in West Bengal and Chennai in Tamil Nadu, so the road route can pass through several states. Tap "Calculate distance" in the calculator to redraw the route live.

Frequently asked questions

What is the distance from Kolkata to Chennai?
In a straight line it is 1,359.9 km. By road it is about 1,665 km, roughly 20 h 35 min of driving.
How long does it take to fly from Kolkata to Chennai?
Roughly 2 h 6 min: the distance at a cruising speed of 850 km/h plus about 30 minutes for take-off and landing.
How long is the road route between Kolkata and Chennai?
About 1,665 km on the fastest route via NH16 and Chilika Bypass, which takes around 20 h 35 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
Are Kolkata and Chennai in the same state?
No — Kolkata is in West Bengal and Chennai in Tamil Nadu.
How is the distance computed?
The straight-line distance uses the haversine (great-circle) formula, which gives the shortest distance between two points on Earth's spherical surface.