KORAIL PASS Guide: One Pass for Your Seoul-Busan-Gyeongju Trip 2026년 02월 08일2026년 02월 08일 by travelkorea If Europe has the Eurail Pass, Korea has the KORAIL PASS. Seoul to Busan takes just 2.5 hours by KTX, and Busan to Gyeongju is only 1.5 hours—all covered under one pass that lets you ride freely. What is the… Read more