Air distance from Ottawa Canada to Lanchow China is 6820.8 Miles (10977.1 Kilometers / 5923.2 Nautical Miles).
Flight duration time from Ottawa Canada to Lanchow China is 14 hrs, 9 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.