~2h 50mTotal estimate
~€6–20Rough fare per person
Bus to Udon Thani
Khon Kaen → Udon Thani · about 1h 30m · ~€2–5
Train to Vientiane
Udon Thani → Vientiane · about ~1h 5m · ~€4–15
Thailand to Laos · 1 border · Where else can you go from Khon Kaen?
Choose a line to change transport
Scroll for the full route →Khon Kaen → Udon Thani · about 1h 30m · ~€2–5
Udon Thani → Vientiane · about ~1h 5m · ~€4–15
Khon Kaen (Thailand) and Vientiane (Laos) are 171 km (106 mi) apart in a straight line. The way we suggest is by bus and train, via Udon Thani: ~2h 50m door to door with 1 change. No flight is needed. The trip crosses one border, so check what papers you need.
Times are rough door-to-door times, with time to change included. A "~" marks a rough time worked out from the distance. We don't have timetables, and fares are rough estimates, not quotes: check Google Maps or the operator before you travel.