Air distance from Kathmandu, Nepal to Riga, Latvia is 3568.2 Miles (5742.4 Kilometers / 3098.6 Nautical Miles).
Flight duration time from Kathmandu to Riga is 7 hrs, 24 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.