| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 08:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 08:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 09:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 09:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 10:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 10:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 11:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 11:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 12:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 12:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 14:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 14:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 15:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 15:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 16:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 17:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 17:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 18:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 18:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 19:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 19:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 20:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 20:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 21:00 |
| Udon Thani Bus Terminal 1 | Central Plaza Khon Kaen | 07:00 | 21:00 |
| Udon Thani Bus Terminal 1 | Kalasin Bus Terminal | 07:00 | 10:30 |
| Udon Thani Bus Terminal 1 | Kalasin Bus Terminal | 07:00 | 12:30 |
| Udon Thani Bus Terminal 1 | Kalasin Bus Terminal | 07:00 | 14:00 |
| Udon Thani Bus Terminal 1 | Kalasin Bus Terminal | 07:00 | 15:00 |
| Udon Thani Bus Terminal 1 | Kalasin Bus Terminal | 07:00 | 17:00 |
| Udon Thani Bus Terminal 1 | Kalasin Bus Terminal | 07:00 | 19:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 08:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 08:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 09:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 09:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 10:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 10:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 11:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 11:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 12:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 12:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 14:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 14:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 15:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 15:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 16:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 17:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 17:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 18:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 18:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 19:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 19:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 20:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 20:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 21:00 |
| Udon Thani Bus Terminal 1 | Khon Kaen Bus Terminal 3 | 07:00 | 21:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 11:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 11:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 16:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 16:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 20:00 |
| Udon Thani Bus Terminal 1 | Nakhon Phanom Bus Station | 07:00 | 20:00 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 07:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 07:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 08:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 08:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 09:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 09:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 10:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 10:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 11:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 11:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 12:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 12:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 13:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 13:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 14:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 14:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 15:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 15:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 16:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 16:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 17:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 17:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 18:30 |
| Udon Thani Bus Terminal 1 | Nong Khai Bus Terminal | 07:00 | 19:30 |
| Udon Thani Bus Terminal 1 | Sakon Nakhon Bus Terminal 2 | 07:00 | 08:00 |
| Udon Thani Bus Terminal 1 | Sakon Nakhon Bus Terminal 2 | 07:00 | 10:00 |
| Udon Thani Bus Terminal 1 | Sakon Nakhon Bus Terminal 2 | 07:00 | 13:00 |
| Udon Thani Bus Terminal 1 | Sakon Nakhon Bus Terminal 2 | 07:00 | 17:00 |