| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Chafariz | city | Piaui | Brazil | -3.73 | -41.42 | 830 | 1162 |
| Chale | city | Piaui | Brazil | -8.98 | -43.98 | 908 | 525 |
| Chamu | city | Piaui | Brazil | -3.32 | -42.06 | 22 | 1604 |
| Chapada | city | Piaui | Brazil | -6.65 | -42.27 | 1669 | 745 |
| Chapada | city | Piaui | Brazil | -3.98 | -42.56 | 331 | 3428 |
| Chapada | city | Piaui | Brazil | -5.22 | -41.80 | 830 | 717 |
| Chapada | city | Piaui | Brazil | -5.87 | -42.52 | 830 | 2070 |
| Chapada 1 | city | Piaui | Brazil | -7.25 | -41.93 | 830 | 1747 |
| Chapada 2 | city | Piaui | Brazil | -7.20 | -41.52 | 941 | 4020 |
| Chapada I | city | Piaui | Brazil | -3.41 | -42.09 | 98 | 1037 |
| Chapada II | city | Piaui | Brazil | -3.50 | -42.01 | 167 | 1040 |
| Chapada da Lagoa | city | Piaui | Brazil | -6.25 | -42.53 | 984 | 422 |
| Chapada da Sindá | city | Piaui | Brazil | -3.87 | -42.43 | 328 | 5119 |
| Chapada da Vereda | city | Piaui | Brazil | -6.28 | -42.62 | 830 | 3154 |
| Chapada de São Francisco | city | Piaui | Brazil | -7.42 | -44.40 | 1072 | 11 |
| Chapada de São Miguel | city | Piaui | Brazil | -3.80 | -42.09 | 282 | 2349 |
| Chapada do Acude | city | Piaui | Brazil | -5.77 | -42.28 | 830 | 700 |
| Chapada do Barrocão | city | Piaui | Brazil | -3.68 | -42.52 | 157 | 7231 |
| Chapada do Elias | city | Piaui | Brazil | -3.49 | -42.11 | 219 | 619 |
| Chapada do Jatobá | city | Piaui | Brazil | -6.87 | -43.45 | 830 | 74 |
| Chapada do Pau de Mel | city | Piaui | Brazil | -6.48 | -42.30 | 902 | 2902 |
| Chapada do Paulino | city | Piaui | Brazil | -6.38 | -42.37 | 980 | 298 |
| Chapadinha | city | Piaui | Brazil | -7.68 | -41.02 | 1669 | 1207 |
| Chapadinha | city | Piaui | Brazil | -4.97 | -42.85 | 246 | 55612 |
| Chapadinha | city | Piaui | Brazil | -3.84 | -42.52 | 285 | 1172 |
| Chapadinha | city | Piaui | Brazil | -7.88 | -41.52 | 984 | 635 |
| Chapadinha | city | Piaui | Brazil | -6.00 | -41.92 | 1118 | 173 |
| Chapadinha 1 | city | Piaui | Brazil | -6.38 | -42.32 | 830 | 354 |
| Chapadinha 2 | city | Piaui | Brazil | -6.47 | -42.28 | 830 | 4825 |
| Chapadinho | city | Piaui | Brazil | -5.28 | -42.72 | 321 | 3277 |
| Chapéu | city | Piaui | Brazil | -8.18 | -40.88 | 1748 | 256 |
| Chatinho | city | Piaui | Brazil | -5.20 | -42.58 | 830 | 2097 |
| Chopeiro | city | Piaui | Brazil | -6.82 | -40.45 | 2007 | 141 |
| Chorao | city | Piaui | Brazil | -3.71 | -42.47 | 200 | 1765 |
| Christovinho | city | Piaui | Brazil | -7.05 | -41.50 | 964 | 22060 |
| Chumichuga | city | Piaui | Brazil | -7.37 | -41.23 | 1076 | 596 |
| Chupeiro | city | Piaui | Brazil | -8.05 | -43.47 | 1669 | 282 |