You take 45 minutes on a plane from Singapore to KLIA, the airport in Kuala Lumpur, then 45 minutes from there to the airport in Cherating. Then it'll be another hour's bus ride from the Cherating airport to the actual Club Med village.
It really depends on the time you stay in transit in KLIA, so I can't tell you the specific duration of how long the whole journey takes.
A friend recently flew Malaysian Airlines from singapore on the 1345 hours flight, transit in Kuala Lumpur Airport, and reached Kuantan airport at about 1630hours.
Road distance is about 380kms
If you take the coach, its about 7 hours. Driving by car should be about 5 hours.
