All six international border crossings are open 7 AM to 8 PM and all have visa-on-arrival facilities at the Cambodian immigration checkpoints. On the Thai side, there are good sealed roads to all 6 crossings. There are no direct bus services from Thailand that cross the border, but there are buses to all crossings except Chong Sa-Ngam. On the Cambodian side, more basic and less frequent bus services are available from Poipet and Koh Kong.
- To Siem Reap & Battambang: (Aranyaprathet – Thailand and Poipet – Cambodia): Most travelers travel from Thailand to Siem Reap to enter Cambodia. and the most convenient for onward travel to Siem Reap and the Angkor Archaeological Park. Travelers can travel by bus or taxi into Siem Reap. The route is popular and well-traveled. Cambodian visas are available at the border. The practice of overcharging for tourist visas seems to on the wane. Visas are now available at regular visa prices.Travel from Bangkok to Siem Reap is about 465km, 6-9 hour trip. The usual route take a 4-5 hour bus or a train ride from Bangkok to Aranyaprathet (‘Aran’), the town on the Thai side of the border, then a short tuk-tuk ride the last 6 km to the border crossing to Poipet Cambodia. The road to Siem Reap has been completely repaired and is in excellent condition taking about 3 hours to reach the Siem Reap. There are two options in planning an overland trip: (1) buy a package ticket in Bangkok or; (2) Do it together yourself.
- To Koh Kong & Sihanoukville: – (Hat Lek – Thailand and Koh Kong – Cambodia). The usual route runs from Bangkok, to Trat (People opting for Koh Chang), then on to the border crossing at Had Lek Thailand where you cross to Koh Kong City, Cambodia. From Koh Kong, bus or taxi to Sihanoukville. Optionally travelers take the ocean ferry when it is in service.Take a bus to Trat (transfer in Chanthaburi if necessary) and from there a minibus to the border. (1)- From Bangkok: A/c bus to Trat (new bus station). ~200 baht, 5-6 hours. (2)-From Koh Chang: Boat from Koh Chang to Leam Ngop, 80 baht. Share taxi to Trat, 40 baht. Moto to new bus station, 20 baht. (3)- Take a van from Trat market to the Thai border town of Had Lek (120 baht). Vans depart every 30 minutes or so and take about 1h30m to the border. (4)- Drivers will approach you as soon as when traveler come out of immigration station. Prices into Koh Kong 8 km away run about 100B for moto, 150 for a tuk-tuk and 250-300B for private taxi into town. After crossing into Cambodia there are two possibilities way
(1) Daily Boat/Ferry to Sihanoukville : Since the completion of the road, ferry service is currently suspended entirely. Ask at your local operator for current ferry schedule. The ferries are in no way up to international safety standards. In Koh Kong the ferry dock is located on the riverfront 500m south of the bridge. In Sihanouk Ville, the ferry arrives/departs the ‘Port of Passenger Ship.’
(2)- Minibus or Taxi to either Sihanoukville or Phnom Penh leave at 8:00AM. The road to and from both Sihanoukville and Phnom Penh follow Route #48 from Koh Kong through the Cardamom Mountains, now the raod is in excellent condition. Route #48 connects to National Route #4 which leads north to Phnom Penh and south to Sihanoukville. Virak-Buntham Bus Company offers direct daily bus service between Koh Kong and Sihanoukville using full size a/c buses. $10/person. Check bus schedule in the center of town both in Kohkong and Sihanoukville
- To Siem Reap: Take the minibus from Surin bus station to the border. Once you cross the border, you are in the middle of nowhere,and there are not currently any buses direct from the border. A taxi can be hired for the 5 hour journey to Siem Reap, most of it very bumpy. However you will get a great and unique insight into rural Cambodian life away from tourist areas. Be warned, this journey can be difficult during the rainy season. Ban Pakard, Chanthaburi Province – Phra Prom, near Pailin Ban Leam, Chanthaburi Province – Daun Lem, the geographically closest crossing to Battambang. For Adventure trip traveler can choose to travel at following border crossing:
Chong Jom (Thailand) and O’Smach, Oddar Meanchey (Cambodia)
Chong Sa Ngam (Thailand) and Anlong Veng, Oddar Meanchey (Cambodia)
Ban Pakard, Chantaburi (Thailand) and Phsar Prom Pailin (Cambodia) (Prom Checkpoint)
This is new border crossing where traveler can enter Cambodia for adventure trip. Cambodian visas are available. Thai transit visas available. For Bus schedule, please check with your local operator or guest house for details.
You can enter Cambodia from Vietnam by follow the road from Phnom Penh, through Moc Bai (Vietnam) and Bavet, Savy Reing, Cambodia. Crossing to Ho Chi Minh City is in very good condition, except for short under construction between Neak Loung and Phnom Penh. Travelers can be long waits at the Mekong River ferry crossing at Neak Loung. Moc Bai is the closest and most convenient crossing to Phnom Penh from Ho Chi Minh City.
- Ho Chi Minh City- Vietnam and Phnom Penh – Cambodia: To/from both Vietnam and Cambodia is very convenient. A/C bus tickets cost USD$10-12. For bus schedule Phnom Penh to/from HCMC (direct): 6:45, 8:30, 11:30, 13:30. Please ask your guest house for more details. When arrive at border, Bus passengers must walk between the Cambodian and Vietnamese checkpoints and transfer between the two buses that travel the Cambodian and Vietnamese. At the crossing only one passport photo is required for a Cambodian visa. Alternatively, It may be interesting to join a Mekong Delta tour (2-3 days) that travels between the two cities; the total cost is about US$25-35 for three days.
- Ho Chi Minh City – Vietnam and Siem Reap – Cambodia: Mai Linh Taxi Companyin Ho Chi Minh City provides bus from Ho Chi Minh City to Siem Reap directly from beginning of 2007. The price is US$18.
- Ho Chi Minh City – Kampong Cham It is possible to cross at the Trapeang Phlong – Xa Mat border but as of now you have to organise your own transport
- Ving Xuong (Vietnam) and Kaam Samnor, Kandal (Cambodia): The Chau Doc Crossing (To/from Phnom Penh): Cambodian visas available at the border. Vietnamese visas NOT available at the border, This Mekong River border crossing is near the Vietnamese city of Chau Doc. Coming from Cambodia, this crossing is accessed primarily from Phnom Penh.
- Tinh Bien (Vietnam) and Phnom Den, Takeo (Cambodia): (To/from Phnom Penh or Kampot/Kep): Cambodian visas available at the border. Vietnamese visas NOT available at the border This border crossing in Takeo province Cambodia is about 10 km south of the the Vietnamese city of Chau Doc. Coming from Cambodia, this crossing can be accessed from either Phnom Penh or Kampot.
- Trapeang Phlong Border Pass: Xa Mat (Vietnam) and Trapeang Phlong, Kampong Cham (Cambodia): The Ministry of Foreign Affairs reports that Cambodian visas available at the border. As yet unconfirmed by travelers. Vietnamese visas NOT available at the border.
Recently opened. In Kampong Cham province, Memot district, bordering the Vietnamese province of Tay Ninh.
- Xa Xia, (Vietnam) and Prek Chak (Cambodia): (‘Ha Tien crossing’) – (To/from Kampot/Kep) Newly opened international border crossing. Cambodian visas available on arrival at the border. Vietnamese visas NOT available at the border. (You must get your Vietnam visa in advance.) There are conflicting reports about whether Cambodian E-visas are accepted.
- Le Tanh,Gia Lai Province (Vietnam) and O’Yadaw, Ratanakiri (Cambodia): Newly opened international border crossing. Travelers report Cambodian visas available at the border. Vietnamese visas NOT available at the border. Visa status is unconfirmed by official sources.
- Trapeang Srer International Border Checkpoint, Kratie Province
- Banteay Chakrey International Border Checkpoint, Prey Veng Province
- Voeung Kam, Laos – Dom Kralor, Cambodia Onward transportation not regularly available. Cambodian visas available, but expect 1$ to 2$ of transaction fees on both sides of the border. Cambodian visas are available at the border (Required Photo). Some travelers report that visas are only available at the road crossing, not at the river crossing. Laos visas NOT available at the border. No special permits required from either Cambodia or Laos.