Air distance from Kathmandu, Nepal to Asmara, Eritrea is 3098.9 Miles (4987.1 Kilometers / 2691 Nautical Miles).
Flight duration time from Kathmandu to Asmara is 6 hrs, 26 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.