The kenzuishi and his staff would depart from Suminoetsu Port near Sumiyoshi-taisha Shrine in Osaka, heading to Osaka Bay via Sumiyoshi-no-Hosoe (present-day Hosoe River and Hosoigawa Station), and then leave Naniwa-no-Tsu (Naniwa Port) and go across the Seto Inland Sea to the Genkai-nada Sea in the Kyushu region.
大阪の住吉大社近くの住吉津から出発し、住吉の細江（現・細江川。細井川駅）から大阪湾に出、難波津を経て瀬戸内海を九州へ向かい、そこから玄界灘に出る。