The journey from Khambhalia to Patna covers 1850 km. You can take a train from Jamnagar to Patna Junction. Driving involves taking NH 27 through Uttar Pradesh. This route takes you from the coast to the historic city of Patna on the banks of the Ganges.
Total Distance: 1850 km by road, 1550 km air distance.
Check for direct trains to avoid transfers.
Roads are good but watch for traffic in towns.
October to March for pleasant weather.