The average bus between Nan and Udon Thani takes 24h 28m and the fastest bus takes 19h 15m. The bus service runs several times per day from Nan to Udon Thani. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run twice daily between Nan and Udon Thani. The earliest departure is at 12:00 PM in the afternoon, and the last departure from Nan is at 4:00 PM which arrives into Udon Thani at 10:45 PM. All services require a transfer, and take on average 24h 28m. The schedules shown below are for the next available departures.
Arrives next day

19h 15m • 1 change
Arrives next day

30h 45m • 1 change
Arrives next day

19h 15m • 1 change
Arrives next day

30h 45m • 1 change
Arrives next day

19h 15m • 1 change
Arrives next day

30h 45m • 1 change
Arrives next day

19h 15m • 1 change
Arrives next day

30h 45m • 1 change
Want to know about travelling from Nan to Udon Thani? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Nan to Udon Thani. However, there are services departing from Nan station and arriving at Udon Thani station via Chiang Mai. The journey, including transfers, takes approximately 24h 28m.
Nan to Udon Thani bus services, operated by Greenbus Thailand, depart from Nan station.
Nan to Udon Thani bus services, operated by Greenbus Thailand, arrive at Udon Thani station.
Book your Nan to Udon Thani bus tickets online with Greenbus Thailand and Phetprasert Tour.
The distance between Nan and Udon Thani is 261 km. The road distance is 1,005 km.
You can take a bus from Nan to Udon Thani via Chiang Mai in around 18h 55m.