Patna to Kolkata Distance

The road distance between Patna and Kolkata is approximately 550+ km, and the drive usually takes around 11 hours by car or taxi, depending on traffic and road conditions. Travellers can also opt for bus services, which generally take 14 hours, while trains complete the journey in approximately 12 hours, subject to the chosen service and route. If you're travelling by air, Netaji Subhash Chandra Bose International Airport is located in Kolkata. Flights from Patna take around 1 hour. Flying is the fastest way to reach Kolkata, with a total travel time of approximately 1 hour. If you're planning a road trip, check weather and traffic updates before your journey, as monsoon showers or winter snowfall in hilly regions can increase travel time.