The nearest airport is NDJ - N'djamena Ndjamena Hassan Djamous, located 165.1 km south east of Boulen.
Other airports nearby include MIU - Maiduguri (221.7 km south west),
Nearby towns ::
Kaoudjirom (5.6km south) //
Nguéléa (6.6km south west) //
Kalama (7.2km west) //
Blarigi (7.4km east) //
Ngini (7.4km east) //
[all distances 'as the bird flies' and approximate]