This map is an official tourist map of Daejeon(Daejeon-si) made by Daejeon local government. You can get this map of paper version at tourist information center in Daejeon or at tourist information center of highway rest-area for free.
Daejeon is 2 hours 8 minutes away from Seoul by car and 50 minutes away from Seoul by KTX=. Daejeon is 3 hours 22 minutes away from Busan by car and 1 hour 18 minutes away from Busan by KTX. (KTX - Korea Train eXpress and SRT - Super Rapid Train are Korean high-speed trains)
You can write 'Daejeon' as '대전' in Hangul, Korean letters. If you want to practice writing '대전' before your Daejeon trip, click here and download Hangul writing practice worksheet of '대전'.