Original sentence: All Nippon Airways (Osaka-Itami, Sapporo-Okadama, Tokyo-Haneda).Hokkaido Air System (Asahikawa, Hakodate, Sapporo-Chitose, Sapporo-Okadama).Japan Airlines (Nagoya-Chubu, Osaka-Kansai, Tokyo-Haneda).Korean Air (Incheon International Airport) (Summer Charters).is an airport in Kushiro, Hokkaidō, Japan
Edited sentence: is an airport located  west northwest of Kushiro, Hokkaidō, Japan