Air distance from San Marino, San Marino to Roseau, Dominica is 4678.5 Miles (7529.3 Kilometers / 4062.8 Nautical Miles).
Flight duration time from San Marino to Roseau is 9 hrs, 42 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.