| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Baixa da Uniao | city | Rondonia | Brazil | -8.77 | -63.91 | 278 | 82076 |
| Bananeira | city | Rondonia | Brazil | -10.65 | -65.38 | 393 | 121 |
| Bananeiras | city | Rondonia | Brazil | -10.65 | -65.38 | 393 | 121 |
| Bar Terra-Firme | city | Rondonia | Brazil | -12.03 | -64.28 | 830 | 0 |
| Bar-da-Barra | city | Rondonia | Brazil | -9.02 | -61.85 | 301 | 298 |
| Barao de Melgaco | city | Rondonia | Brazil | -11.85 | -60.72 | 984 | 149 |
| Barraca Terra Firme | city | Rondonia | Brazil | -11.98 | -64.25 | 830 | 0 |
| Barraca da Barra | city | Rondonia | Brazil | -9.02 | -61.85 | 301 | 298 |
| Barraca do Barra | city | Rondonia | Brazil | -9.02 | -61.85 | 301 | 298 |
| Barracao | city | Rondonia | Brazil | -11.95 | -64.18 | 830 | 0 |
| Barracao Bello Horisonte | city | Rondonia | Brazil | -11.88 | -64.17 | 830 | 0 |
| Barracao Belo Horizonte | city | Rondonia | Brazil | -11.88 | -64.17 | 830 | 0 |
| Barracao Joffre | city | Rondonia | Brazil | -13.50 | -60.55 | 830 | 502 |
| Barracao Triunfo | city | Rondonia | Brazil | -11.95 | -64.22 | 830 | 0 |
| Barracao do Liberato | city | Rondonia | Brazil | -12.63 | -60.97 | 984 | 149 |
| Barraco Alto | city | Rondonia | Brazil | -13.03 | -61.43 | 830 | 621 |
| Barracão Jofre | city | Rondonia | Brazil | -13.50 | -60.55 | 830 | 502 |
| Barracão Triumpho | city | Rondonia | Brazil | -11.95 | -64.22 | 830 | 0 |
| Barranco Alto | city | Rondonia | Brazil | -13.03 | -61.43 | 830 | 621 |
| Barrao de Melgaco | city | Rondonia | Brazil | -11.85 | -60.72 | 984 | 149 |
| Bela Vista | city | Rondonia | Brazil | -11.52 | -65.25 | 393 | 231 |
| Bello Horizonte | city | Rondonia | Brazil | -11.88 | -64.17 | 830 | 0 |
| Belmont | city | Rondonia | Brazil | -8.65 | -63.83 | 305 | 17108 |
| Belmonte | city | Rondonia | Brazil | -8.65 | -63.83 | 305 | 17108 |
| Belo Horizonte | city | Rondonia | Brazil | -11.88 | -64.17 | 830 | 0 |
| Belém | city | Rondonia | Brazil | -8.53 | -63.67 | 246 | 298 |
| Belém | city | Rondonia | Brazil | -9.45 | -62.28 | 830 | 298 |
| Boa Hora | city | Rondonia | Brazil | -11.68 | -65.08 | 393 | 20 |
| Boa Hora | city | Rondonia | Brazil | -8.20 | -63.33 | 229 | 298 |
| Boa Vista | city | Rondonia | Brazil | -10.73 | -62.13 | 830 | 894 |
| Boa Vista | city | Rondonia | Brazil | -10.80 | -61.92 | 830 | 14650 |
| Boa Vista | city | Rondonia | Brazil | -9.23 | -62.17 | 830 | 298 |
| Bom Comercio | city | Rondonia | Brazil | -9.75 | -65.90 | 393 | 226 |
| Bom Futuro | city | Rondonia | Brazil | -9.58 | -64.98 | 337 | 298 |
| Bom Futuro | city | Rondonia | Brazil | -9.87 | -62.17 | 830 | 298 |
| Bom Futuro | city | Rondonia | Brazil | -9.77 | -66.10 | 830 | 194 |
| Bom Jardim | city | Rondonia | Brazil | -10.33 | -62.33 | 830 | 953 |
| Bom Jardim | city | Rondonia | Brazil | -9.98 | -63.35 | 830 | 665 |
| Bom Jesus | city | Rondonia | Brazil | -10.33 | -62.24 | 830 | 1043 |
| Bom Lugar | city | Rondonia | Brazil | -10.62 | -62.43 | 984 | 979 |
| Bom Principio | city | Rondonia | Brazil | -9.67 | -62.35 | 830 | 298 |
| Bom Retiro | city | Rondonia | Brazil | -10.49 | -62.42 | 830 | 6597 |
| Bonfim | city | Rondonia | Brazil | -10.32 | -62.33 | 830 | 1051 |
| Buena Hora | city | Rondonia | Brazil | -11.68 | -65.08 | 393 | 20 |