Flight distance from Vientiane, Laos to Kathmandu, Nepal:
1288 Miles (2072.8 Kilometers / 1118.5 Nautical Miles).
Flight duration time from Vientiane to Kathmandu:
Approximate flight duration time (for a non-stop flight) from Vientiane, Laos to Kathmandu, Nepal is 2 hrs, 40 mins. This is the In-The-Air flight time. You should add the taxi time before take-off and taxi time after landing for the total flight duration time. You should also consider airport wait times and possible delays due to bad weather, etc. You can find out what time you arrive at your destination (Kathmandu) by checking the time difference between Vientiane and Kathmandu.