The nearest airport is MMJ - Matsumoto, located 34.6 km south west of Koizumi.
Other airports nearby include TOY - Toyama (95.3 km west), OKO - Yokota Ab (125.2 km south east), KMQ - Kanazawa Komatsu (160.9 km west), HND - Tokyo Intl (169.7 km south east),
Nearby towns ::
Shimonogō (2.4km south east) //
Kami-shiojiri (4.0km north) //
Bessho (5.8km south west) //
Nakanojō (7.4km north) //
Aoki (6.2km west) //
Ueda (6.2km east) //
Tokiiri (6.2km east) //
Chikaraishi (8.0km north) //
Maruko (9.5km south east) //
[all distances 'as the bird flies' and approximate]