The average bus between Ranong and Udon Thani takes 20h 34m and the fastest bus takes 19h 50m. The bus service runs several times per day from Ranong 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 Ranong and Udon Thani. The earliest departure is at 8:15 AM in the morning, and the last departure from Ranong is at 8:00 PM which arrives into Udon Thani at 5:19 PM. All services require a transfer at Bangkok, Bus Terminal (South) and take an average of 20h 34m. The schedules shown below are for the next available departures.
Arrives next day



19h 50m • 3 changes
Arrives next day



21h 19m • 3 changes
Arrives next day



19h 50m • 3 changes
Arrives next day



21h 19m • 3 changes
Arrives next day



19h 50m • 3 changes
Arrives next day



21h 19m • 3 changes
Arrives next day



19h 50m • 3 changes
Arrives next day



21h 19m • 3 changes
Want to know about travelling from Ranong 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 Ranong to Udon Thani. However, there are services departing from Ranong station and arriving at Udon Thani station via Bangkok Sai Tai Mai Terminal. The journey, including transfers, takes approximately 20h 34m.
Ranong to Udon Thani bus services, operated by Sombat Tour, depart from Ranong station.
Ranong to Udon Thani bus services, operated by Sombat Tour, arrive at Udonthani station.
Book your Ranong to Udon Thani bus tickets online with Sombat Tour, Bangkok Mass Transit Authority and Nakhonchai Air.
The distance between Ranong and Udon Thani is 941.8 km. The road distance is 1,139 km.
You can take a bus from Ranong to Udonthani via Bangkok, Bus Terminal (South), บรมราชชนนี 58;Borommaratchachonnani 58, ตึกแดง จตุจักร;Tuek Daeng Chatuchak, อู่หมอชิต 2;Bus Depot Mochit 2, and Bangkok Mochit Bus Terminal in around 18h 29m.