From Phuket bus to Chumphon. 5 h 6 min ฿500. From Phuket bus to Surat Thani, walk to Surathani Talad Kaset Station, bus to Suratthani Train Station, then train to Chumphon. 7 h 6 min ฿624. From Phuket Bus Terminal 2 bus to Ranong then Mini Bus to Chumphon. 8 h ฿434. From Phuket drive to Chumphon. 5 h 40 min ฿1363.