1) driving along the National Highway #35 (Thonburi-Pak Tho route) via Samut Songkram province then reaching to Highway #4 or A2 (Phetchakasem Road--the main route through Southern) via Phetchaburi province and Hua Hin to Prachuap Khiri Khan, Chumphon, Ranong and Phang Nga provinces. Passing Khura Buri, Takhua Pa and Thai Mueang districts taking along this route going to Highway #402. Go Straight on this route about 1 hour, then reaching the Sarasin Bridge and the welcome monumet of "PHUKET GATEWAY". Total distance is approximately 850 kilometers.
2) When reaching Chumphon, Alterating to take Highway #41 passing Lang Suan and Tha Chana through Khiri Rat Nikhom districts of Surat Thai province (last two ones) by turning right traffic at Ban Tha Rong Chang Junction to take Highway #401, then driving via Khiri Rat Nikhom and Ban Ta Khun. Remind yourself prepare to take a new route that is Highway #415 for destination Plai Phraya district along the road through Ao Luek and Takhua Thung district. Turning back to the Highway #4 or A2 again, driving through traffic along this route, passing Ban Khok Kloi and straight onto the Sarasin Bridge, then you will see the welcome monument "PHUKET GATEWAY". Total distance is estimately 862 kilometers, infact the latter route is the best way local used to drive mostly.