Distance from Kolkata to Ranchi

The straight-line (great-circle) distance between Kolkata and Ranchi is 324.6 kilometres, roughly 47 min by plane at 850 km/h. By road it is about 399 km via NH16 and NH18, which takes around 5 h of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line324.6 km
By road399 km
Driving time5 h
Flight time47 min

About this page

This page is for travellers planning a trip from Kolkata, West Bengal to Ranchi, Jharkhand. 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 Ranchi in Jharkhand, 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 Ranchi?
In a straight line it is 324.6 km. By road it is about 399 km, roughly 5 h of driving.
How long does it take to fly from Kolkata to Ranchi?
Roughly 47 min: the distance at a cruising speed of 850 km/h plus about 24 minutes for take-off and landing.
How long is the road route between Kolkata and Ranchi?
About 399 km on the fastest route via NH16 and NH18, which takes around 5 h by car. Tap "Calculate distance" in the calculator to see the route on the map.
Are Kolkata and Ranchi in the same state?
No — Kolkata is in West Bengal and Ranchi in Jharkhand.
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.