Air distance from Ottawa Canada to Guam Mariana Islands is 7685.7 Miles (12369 Kilometers / 6674.3 Nautical Miles).
Flight duration time from Ottawa Canada to Guam Mariana Islands is 15 hrs, 57 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.