The nearest airport is SHM - Nanki-shirahama Nanki Shirahama, located 63.4 km south west of Ōnuma.
Other airports nearby include ITM - Osaka Intl (106.3 km north west), TKS - Tokushima (127.5 km west), TAK - Takamatsu (182.8 km west), TTJ - Tottori (242.0 km north west),
Nearby towns ::
Hiratani (3.7km south) //
Kōnoue (5.0km east) //
Kishūdōzan (8.7km south west) //
Kogawaguchi (9.6km south west) //
[all distances 'as the bird flies' and approximate]