Boundary
North Nakhon Ratchasima
South Chachoengsao
East Sa Kaeo
West Nakhon Nayok

Car

By car: There are many routes from Bangkok.

Using Phahonyothin Highway, to Rangsit, and keep left to use overpass to Highway No.305, parallel to Khlong Rangsit, pass Ongkarak of Nakhon Nayok. Then use Highway No.33 (Nakhon Nayok – Prachin Buri), turn right at Samyaek Nong Cha-om at Km.155 to Highway No.319 to Prachin Buri. Total distance is 136 kilometres.
Using Phahonyothin Highway (No.1) to Wang Noi of Ayutthaya, turn right at Km. 90 to Highway No.33 pass Wihan Daeng of Saraburi, and Nakhon Nayok, turn right at Samyaek Nong Cha-om at Km.155 to Highway No.319 to Prachin Buri. Total distance is 164 kilometres.
Using Highway No.304 pass Chacherngsao, Phanom Sarakham, turn to Highway No.319 pass Si Mahosot, to Prachin Buri. The total distance is 158 kilometres.

Bus

By bus: Regular and air-conditioned buses leave from Mo Chit 2 Bus Terminal everyday. For more details, call 0-2936-2852 - 66. There are 2 routes:

Bangkok - Hin Kong - Nakhon Nayok – Prachin Buri by 1st class air-conditioned bus No.58, 59, from 05:00 to 21:00 hrs., leaves every 25 minutes. The fare is 85 Baht.
Bangkok - Ongkarak - Nakhon Nayok – Prachin Buri by 1st class air-conditioned No.920, 3 times a day, at 05:00, 10:00, and 17:00 hrs. The fare is 75 Baht.

Train

By rail: There is railway service from Hua Lam Pong Railway Station in Bangkok to Prachin Buri everyday, 7 times at 06:00, 08:05, 09:40, 11:25, 13:10, 15:10, and 17:25 hrs. For more details, contact Travel Service Unit of Sate Railway of Thailand at 1690, 0 2223 7010, 0 2223 7020.