Air distance from Roseau, Dominica to Phnom Penh, Cambodia is 10362.2 Miles (16676.3 Kilometers / 8998.5 Nautical Miles).
Flight duration time from Roseau to Phnom Penh is 21 hrs, 31 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.