The nearest airport is WKJ - Wakkanai, located 22.6 km north west of Koishi.
Other airports nearby include RIS - Rishiri Island Rishiri (68.4 km west), MBE - Monbetsu (154.3 km south east), UUS - Yuzhno-sakhalinsk Khomutovo (183.3 km north), AKJ - Asahikawa (184.4 km south),
Nearby towns ::
Onishibetsu (5.4km east) //
Chiraibetsu (7.9km north) //
[all distances 'as the bird flies' and approximate]