Distance from Prayagraj to Patna

The straight-line (great-circle) distance between Prayagraj and Patna is 331.1 kilometres, roughly 48 min by plane at 850 km/h. By road it is about 361 km via NH319 and NH19, which takes around 4 h 25 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line331.1 km
By road361 km
Driving time4 h 25 min
Flight time48 min

About this page

This page is for travellers planning a trip from Prayagraj, Uttar Pradesh 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. Prayagraj sits in Uttar Pradesh 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 Prayagraj to Patna?
In a straight line it is 331.1 km. By road it is about 361 km, roughly 4 h 25 min of driving.
How long does it take to fly from Prayagraj to Patna?
Roughly 48 min: the distance at a cruising speed of 850 km/h plus about 25 minutes for take-off and landing.
How long is the road route between Prayagraj and Patna?
About 361 km on the fastest route via NH319 and NH19, which takes around 4 h 25 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
Are Prayagraj and Patna in the same state?
No — Prayagraj is in Uttar Pradesh 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.