Distance from Ahmedabad to Patna

The straight-line (great-circle) distance between Ahmedabad and Patna is 1,306 kilometres, roughly 2 h 2 min by plane at 850 km/h. By road it is about 1,562 km via NH47 and NH45, which takes around 18 h 45 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line1,306 km
By road1,562 km
Driving time18 h 45 min
Flight time2 h 2 min

About this page

This page is for travellers planning a trip from Ahmedabad, Gujarat to Patna, Bihar. 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. Ahmedabad sits in Gujarat and Patna in Bihar, 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 Ahmedabad to Patna?
In a straight line it is 1,306 km. By road it is about 1,562 km, roughly 18 h 45 min of driving.
How long does it take to fly from Ahmedabad to Patna?
Roughly 2 h 2 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 Ahmedabad and Patna?
About 1,562 km on the fastest route via NH47 and NH45, which takes around 18 h 45 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
Are Ahmedabad and Patna in the same state?
No — Ahmedabad is in Gujarat and Patna in Bihar.
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.