As the crow flies it's about 200 kilometers from Allahabad to fabled Varanasi, India's holiest, and possibly oldest city. But the Ganges twists and doubles back, so as the dolphin swims, it's almost twice as far. 48 minutes.
The voyage by rowboat, calling in at Mirzapur, took five days and nights. This stage of the round-the-world journey first took in the fishing village of Gopalpur-on-Sea, Puri, the sun temple of Konark and Delhi.