Air distance from Tbilisi, Georgia to Tallinn, Estonia is 1502.9 Miles (2418.7 Kilometers / 1305.1 Nautical Miles).
Flight duration time from Tbilisi to Tallinn is 3 hrs, 7 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.