its a 4
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hour drive from bangkok to border. make sure to bring your driver's license, car registration, passport as there are checkpoints on the way to the border... be reminded that you can not cross the border unless you have a re-entry permit. You friends need to stamp out from the Thai border and cross the other side and stamp in and out also from the cambodian side. (sometimes, even filipinos are being asked to pay "visa" for entering cambodia for short time)... then they need to be stamped in at the thai border again... the whole process will take 1 hour depends on how long the que is