Air distance from Ottawa Canada to Sendai Japan is 6255.5 Miles (10067.2 Kilometers / 5432.3 Nautical Miles).
Flight duration time from Ottawa Canada to Sendai Japan is 12 hrs, 59 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.