Private taxi for ground Transfer from Phnom penh to Bangkok take 13-14 hrs incluided stop by mini Van or a/c car toyota with safety belts are can arrange on your request..! this jouney start from Phnom penh to southwest Cambodia on road #4, then road# 48 to Koh kong City then past border of Cambodia Cheam Yeam Khmer-Thai boder crossing then we you put in other transport in Thailand Side