Asan - Hot-spring resort with which Cheonan shares its KTX station.
Cheongju - Provincal capital of North Chungcheong, and historic town in its own right. Birthplace of jikji, the world's oldest moving metal type print book.
Chungju - Gateway to Danyang and Suanbo, two hours by direct bus from the intercity terminal
Gongju - City to the south, and former capital of Baekje, known for its Beakje tombs. Also the gateway to hiking a nearby national park.
Suwon - Satellite city of Seoul, and sporting a World Heritage fortress.