| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Camarada | city | Piaui | Brazil | -6.92 | -41.43 | 1003 | 1465 |
| Camboeiro | city | Piaui | Brazil | -6.47 | -41.78 | 1669 | 1934 |
| Camboeiro | city | Piaui | Brazil | -7.32 | -40.75 | 1689 | 1729 |
| Cambraia | city | Piaui | Brazil | -8.56 | -42.44 | 1000 | 149 |
| Cambuquira | city | Piaui | Brazil | -7.73 | -43.77 | 830 | 177 |
| Caminho Novo | city | Piaui | Brazil | -5.02 | -42.63 | 830 | 19858 |
| Camoci | city | Piaui | Brazil | -2.92 | -41.55 | 42 | 8988 |
| Campestre | city | Piaui | Brazil | -5.42 | -42.82 | 830 | 4023 |
| Campestre | city | Piaui | Brazil | -7.02 | -41.68 | 1669 | 1962 |
| Campestre | city | Piaui | Brazil | -7.37 | -41.45 | 875 | 596 |
| Campestre | city | Piaui | Brazil | -3.83 | -42.29 | 360 | 4142 |
| Campestre | city | Piaui | Brazil | -5.52 | -41.85 | 830 | 855 |
| Campestre | city | Piaui | Brazil | -6.42 | -42.17 | 1227 | 588 |
| Campestre | city | Piaui | Brazil | -7.02 | -44.23 | 830 | 49 |
| Campinas do Piaui | city | Piaui | Brazil | -7.66 | -41.88 | 875 | 2148 |
| Campineira | city | Piaui | Brazil | -6.33 | -42.35 | 830 | 305 |
| Campinho dos Cavalos | city | Piaui | Brazil | -3.95 | -42.58 | 328 | 4848 |
| Campins | city | Piaui | Brazil | -6.18 | -41.80 | 895 | 596 |
| Campo Alegre | city | Piaui | Brazil | -8.38 | -41.84 | 1230 | 683 |
| Campo Alegre | city | Piaui | Brazil | -6.63 | -42.53 | 830 | 1043 |
| Campo Comprido | city | Piaui | Brazil | -3.75 | -42.57 | 167 | 8820 |
| Campo Grande | city | Piaui | Brazil | -7.67 | -41.78 | 885 | 596 |
| Campo Grande | city | Piaui | Brazil | -7.18 | -40.80 | 1709 | 2063 |
| Campo Grande | city | Piaui | Brazil | -3.75 | -42.59 | 141 | 5767 |
| Campo Largo | city | Piaui | Brazil | -7.47 | -41.87 | 830 | 810 |
| Campo Largo | city | Piaui | Brazil | -3.83 | -42.65 | 173 | 2346 |
| Campo Largo | city | Piaui | Brazil | -6.28 | -41.93 | 830 | 596 |
| Campo Maior | city | Piaui | Brazil | -4.83 | -42.17 | 403 | 31354 |
| Campo Redondo | city | Piaui | Brazil | -3.90 | -42.33 | 334 | 3104 |
| Campo Verde | city | Piaui | Brazil | -7.25 | -40.75 | 1817 | 1694 |
| Campo de Pouso | city | Piaui | Brazil | -7.77 | -42.25 | 830 | 3124 |
| Campo do Careta | city | Piaui | Brazil | -6.17 | -42.30 | 1069 | 604 |
| Campo do Cupinharol | city | Piaui | Brazil | -6.88 | -42.68 | 830 | 638 |
| Camponeza 1 | city | Piaui | Brazil | -6.48 | -41.30 | 1148 | 41 |
| Camponeza 2 | city | Piaui | Brazil | -6.50 | -41.32 | 1125 | 162 |
| Campos | city | Piaui | Brazil | -7.22 | -41.83 | 830 | 1361 |
| Campos | city | Piaui | Brazil | -3.18 | -41.50 | 295 | 893 |
| Campos | city | Piaui | Brazil | -5.80 | -41.47 | 1059 | 0 |
| Campos | city | Piaui | Brazil | -7.68 | -41.87 | 898 | 2148 |
| Campos | city | Piaui | Brazil | -3.74 | -42.45 | 311 | 1281 |
| Campos | city | Piaui | Brazil | -7.12 | -40.60 | 1994 | 6505 |
| Campos Sales | city | Piaui | Brazil | -4.02 | -42.08 | 377 | 15557 |
| Campos Segundo | city | Piaui | Brazil | -6.32 | -41.92 | 830 | 606 |
| Camurupim | city | Piaui | Brazil | -3.08 | -41.45 | 144 | 914 |
| Camurupim de Baixo | city | Piaui | Brazil | -2.92 | -41.47 | 3 | 547 |
| Camurupim de Cima | city | Piaui | Brazil | -3.08 | -41.45 | 144 | 914 |