Air distance from Kathmandu, Nepal to Tbilisi, Georgia is 2486 Miles (4000.8 Kilometers / 2158.8 Nautical Miles).
Flight duration time from Kathmandu to Tbilisi is 5 hrs, 9 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.