Thailand and Cambodia share a land border of ~800 km (500 miles), running roughly north-south from the tripoint with Laos (near Ban Pakard / Choam) to the Gulf of Thailand (near Koh Kong / Hat Lek).
| Thailand Side | Cambodia Side | Notes |
|---|---|---|
| Aranyaprathet (Sa Kaeo) | Poipet (Banteay Meanchey) | Busiest: road/rail, casinos, visa on arrival. |
| Chong Jom (Surin) | O Smach (Oddar Meanchey) | Remote, less traffic. |
| Ban Pakard (Chanthaburi) | Phsar Prum (Pailin) | Near Pailin, gem area. |
| Hat Lek (Trat) | Koh Kong (Koh Kong) | Coastal, access to islands. |
Relations fluctuate; check visa rules, COVID restrictions, and opening hours before crossing.