Air distance from Seattle, USA to Bastia, France is 5561.7 Miles (8950.6 Kilometers / 4829.7 Nautical Miles).
Flight duration time from Seattle to Bastia is 11 hrs, 32 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.