Chad

Boa, Mayo-Kebbi Est → Boandja, Logone Oriental → Boari, Moyen-Chari → Boay, Chari-Baguirmi → Bobèch Kabir, Salamat → Bobèch Sagher, Salamat → Bobemaïn, Logone Oriental → Bobi, Logone Oriental → Bobo, Guera → Bobodjen, Ouadai → Bobok, Wadi Fira → Bobokoré, Wadi Fira → Bobri, Wadi Fira → Bobwil Karoua, Barh el Gazel → Bocha, Chari-Baguirmi → Bocha, Hadjer-Lamis → Boda, Chari-Baguirmi → Bodagolé, Chari-Baguirmi → Bodéné, Hadjer-Lamis → Bodérom, Lac →