Air distance from Ottawa Canada to Patna India is 7405.2 Miles (11917.4 Kilometers / 6430.6 Nautical Miles).
Flight duration time from Ottawa Canada to Patna India is 15 hrs, 22 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.