Air distance from Seattle, USA to Tbilisi, Georgia is 6247.5 Miles (10054.4 Kilometers / 5425.4 Nautical Miles).
12 hrs, 58 mins is the flight duration between Seattle and Tbilisi. 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.