Koh Chang is an island, so this journey combines road travel with a boat crossing; the two places are about 111 km apart in a straight line. The most direct road passes Chanthaburi. Times and prices are on 12Go.
Yes, Koh Chang is an island, so the journey includes a boat crossing. Check whether your ticket covers the boat and the transfer from the pier, and allow for weather delays.
SOURCES
Clear sources.
Route list checked 2026-10-09. Stations reviewed 2026-10-09. Distance and towns on the way: OpenStreetMap via OSRM, approximate; buses may take another road. Not live inventory.