Tsushinshi came to Edo through the following route: The envoy got on board a ship at Pusan Metropolitan City, called at Tsushima, sailed through the Seto Inland Sea via Shimonoseki City, changed ships to Kawa gozabune (a roofed pleasure boat with a tatami floor and shoji used in a river) at Osaka, sailed up the Yodo-gawa River, and from Yodo, went by road in a procession of palanquins, each of which carried one of the three highest-ranked persons of the envoy, horses on which high or middle officers of the envoy rode and the other lower officers of the envoy who walked, via Kyoto.
通信使は釜山広域市から海路、対馬に寄港し、それから下関市を経て瀬戸内海を航行し、大坂からは川御座船に乗り換えて淀川を遡航し、淀よりは輿（三使）、馬（上・中官）と徒歩（下官）で行列を連ね、陸路を京都を経て江戸に向かうルートを取った。