National Highway 5 is paved and from Battambang runs southeast to Phnom Penh and northwest to Sisophonand Poipet. At Sisophon, National Highway 6 branches off to provide paved access to Siem Reap. In a car,Phnom Penh is around 4 hr away and Sisophon can be reached in just under 1 hr. By bus, Phnom Penh takes about 5-6 hr and cost about US$4. Siem Reap takes at least 3 hr and costs US$3.75.
Highway 57 from Battambang to Pailin was paved in 2010. Paramount Angkor Buses run twice daily from Battambang to Pailin (2 hr) for US$4.
Boat
One boat a day travels from Siem Reap (for Angkor) to Battambang, departing Siem Reap at 07:00. An interesting and very scenic journey along small rivers, the boat threads it's way through numerous charming floating villages and past dozens of towering cantilevered fishing net installations. It can take between 4-12 hr, depending on the time of year (and hence the water level), however the time can be fairly accurately predicted by checking the time that the same boat arrived yesterday.
During the dry season, when the water level gets very low, the boats cannot get all the way to Battambang and the journey is completed by minibus or pick-up truck.
Rail
Cambodia's defunct rail system is due to be regenerated by 2013. The line runs from Poipet on the Thai border through Sisophon and along the southern side of the Tonle Sap Lake to Battambang and Phnom Penh
