| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Bia | city | Kanem | Chad | 14.18 | 15.38 | 1148 | 0 |
| Biabo | city | Logone Oriental | Chad | 8.32 | 16.02 | 1669 | 2086 |
| Biakongo | city | Logone Oriental | Chad | 9.11 | 16.48 | 1233 | 2890 |
| Bianké | city | Mayo-Kebbi Ouest | Chad | 9.91 | 14.40 | 1053 | 5811 |