From Seomyeon Station line 2 Metro to Busan-Sasang Bus Terminal, bus to Gwangju Bus Terminal, then bus to Mokpo Bus Terminal. 4hrs 26min $36. From City Hall Station line 1 Metro to Busan Central Bus Terminal, bus to Masan Bus Terminal, then bus to Mokpo Bus Terminal. 8hrs 17min $31. From Busan drive to Moppo. 3hrs 11min $48. From Busan taxi to Busan airport, fly to Gwangju airport, then train to Moppo. 4hrs 22min.