The average bus between Rayong and Udon Thani takes 12h 8m and the fastest bus takes 11h 23m. The bus service runs several times per day from Rayong 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 every 3 hours between Rayong and Udon Thani. The earliest departure is at 5:00 AM in the morning, and the last departure from Rayong is at 6:10 PM which arrives into Udon Thani at 6:25 AM. All services require a transfer at Mochit Terminal Platform 3 and take an average of 12h 8m. The schedules shown below are for the next available departures.

12h 19m • 1 change

11h 56m • 1 change

12h 45m • 1 change
Arrives next day

11h 36m • 1 change

12h 19m • 1 change

11h 56m • 1 change

12h 45m • 1 change
Arrives next day

11h 36m • 1 change

12h 19m • 1 change

11h 56m • 1 change

12h 45m • 1 change
Arrives next day

11h 36m • 1 change

12h 19m • 1 change

11h 56m • 1 change

12h 45m • 1 change
Arrives next day

11h 36m • 1 change

12h 19m • 1 change

11h 56m • 1 change

12h 45m • 1 change
Arrives next day

11h 36m • 1 change

12h 19m • 1 change

11h 56m • 1 change

12h 45m • 1 change
Arrives next day

11h 36m • 1 change
Want to know about travelling from Rayong 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 Rayong to Udon Thani. However, there are services departing from Rayong station and arriving at Udon Thani station via Mochit Terminal Platform 3. The journey, including transfers, takes approximately 12h 8m.
Rayong to Udon Thani bus services, operated by Rayong Tour, depart from Rayong Tour Office Sai 4 station.
Rayong to Udon Thani bus services, operated by Rayong Tour, arrive at Udonthani station.
Book your Rayong to Udon Thani bus tickets online with Rayong Tour and Nakhonchai Air.
The distance between Rayong and Udon Thani is 551.4 km. The road distance is 740 km.
You can take a bus from Rayong Tour Office Sai 4 to Udonthani via Mochit Terminal Platform 3 and Bangkok Mochit Bus Terminal in around 12h.