Original sentence: Flight from Kitadaito to Minami-Daito is the shortest flight in Japan, costs 7600 yen, and is only 12 km long, takes 3 minutes in the air.Japan Airlines.Japan Transocean Air.Ryukyu Air Commuter (Minami-Daito, Naha)
Edited sentence: Flight from Kitadaito to Minami-Daito is the shortest flight in Japan, costs JPY¥7,600, and is only  long, takes 3 minutes in the air