The nearest airport is MYJ - Matsuyama, located 38.6 km south east of Koyaishi.
Other airports nearby include HIJ - Hiroshima (51.2 km north east), OIT - Oita (101.2 km south west), UBJ - Yamaguchi Ube (115.0 km west), KCZ - Kochi (126.3 km south east),
Nearby towns ::
Uwagi (1.9km south) //
Jōshida (1.9km north) //
Fujinowaki (1.9km north) //
Hayase (1.9km north) //
Sakioku (2.4km north east) //
Kurahashi (3.7km south) //
Tahara (3.7km north) //
Semikawa (3.7km north) //
Kurahashi (4.0km south) //
Ōkimi (4.0km north) //
Tonoko (5.8km north) //
Muroo (5.9km south east) //
Takasu (6.3km north east) //
Ondo (6.3km north east) //
Ōbara (5.9km north west) //
Hitonose (7.6km north) //
Ōkō (7.2km south west) //
Karōto (8.7km south east) //
Kanokawa (8.7km north west) //
Kamurizaki (9.6km north east) //
[all distances 'as the bird flies' and approximate]