Allahabad (Prayagraj) is 350 km west of Patna. The journey takes about 7 hours by train or 8 hours by road via NH 19. It is a major religious center at the confluence of the Ganges, Yamuna, and Saraswati rivers.
Total Distance: 350 km by road, 300 km air distance.
Trains are the most comfortable way to travel.
The road is excellent but the journey is long.
October to March for pleasant weather.