Distance from Coimbatore to Chennai

The straight-line (great-circle) distance between Coimbatore and Chennai is 427.9 kilometres, roughly 1 h by plane at 850 km/h. By road it is about 519 km via Tiruvannamalai - Thanipadi - Harur Road and NH544, which takes around 6 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 line427.9 km
By road519 km
Driving time6 h 35 min
Flight time1 h

About this page

This page is for travellers planning a trip from Coimbatore, Tamil Nadu 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. Both cities are in Tamil Nadu, so the road route is usually direct. Tap "Calculate distance" in the calculator to redraw the route live.

Frequently asked questions

What is the distance from Coimbatore to Chennai?
In a straight line it is 427.9 km. By road it is about 519 km, roughly 6 h 35 min of driving.
How long does it take to fly from Coimbatore to Chennai?
Roughly 1 h: 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 Coimbatore and Chennai?
About 519 km on the fastest route via Tiruvannamalai - Thanipadi - Harur Road and NH544, which takes around 6 h 35 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
Are Coimbatore and Chennai in the same state?
Yes — both are 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.