She made three rounds trips per week from Incheon to Jeju , each one - way voyage of 425 kilometres ( 264 mi ) taking 13.5 hours to complete .
Sewol began operations on 15 March 2013 .
Sewol made three rounds trips per week from Incheon to Jeju , each one - way voyage of 425 kilometres ( 264 mi ) taking 13.5 hours to complete .
Sewol began operations on 15 March 2013 .