Air distance from San Marino, San Marino to Pago Pago, American Samoa is 10398.8 Miles (16735.2 Kilometers / 9030.3 Nautical Miles).
21 hrs, 35 mins is the flight duration between San Marino and Pago Pago. 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.