| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Canonchet | city | Rhode Island | United States | 41.49 | -71.73333 | 167 | 6919 |
| Carolina | city | Rhode Island | United States | 41.45694 | -71.66389 | 88 | 8284 |
| Carpenters Corner | city | Rhode Island | United States | 41.82167 | -71.35667 | 65 | 137768 |
| Centerdale | city | Rhode Island | United States | 41.85639 | -71.47917 | 127 | 137836 |
| Centerville | city | Rhode Island | United States | 41.52222 | -71.74694 | 213 | 6386 |
| Centerville | city | Rhode Island | United States | 41.69639 | -71.52306 | 141 | 69764 |
| Central Falls | city | Rhode Island | United States | 41.89056 | -71.39278 | 45 | 164382 |
| Charlestown | city | Rhode Island | United States | 41.38306 | -71.64222 | 29 | 7293 |
| Charlestown Beach | city | Rhode Island | United States | 41.36806 | -71.62833 | 13 | 3835 |
| Chepachet | city | Rhode Island | United States | 41.915 | -71.67194 | 413 | 8599 |
| Chepiwanoxet | city | Rhode Island | United States | 41.67278 | -71.44861 | 3 | 73448 |
| Cherry Valley | city | Rhode Island | United States | 41.87083 | -71.675 | 610 | 6079 |
| Chopmist | city | Rhode Island | United States | 41.82528 | -71.67083 | 636 | 5567 |
| Christian Hill | city | Rhode Island | United States | 41.81444 | -71.42028 | 19 | 249325 |
| Clarks Village | city | Rhode Island | United States | 41.4625 | -71.39111 | 3 | 14362 |
| Clarkville | city | Rhode Island | United States | 41.92222 | -71.79167 | 524 | 5843 |
| Clayville | city | Rhode Island | United States | 41.77778 | -71.67611 | 498 | 5717 |
| Clyde | city | Rhode Island | United States | 41.71917 | -71.52333 | 98 | 74188 |
| Coggeshall | city | Rhode Island | United States | 41.69972 | -71.23944 | 0 | 63238 |
| Cold Spring Beach | city | Rhode Island | United States | 41.56667 | -71.44389 | 3 | 18328 |
| Coles | city | Rhode Island | United States | 41.72917 | -71.39389 | 3 | 107621 |
| Columbia Heights | city | Rhode Island | United States | 41.44222 | -71.63861 | 98 | 8284 |
| Colvintown | city | Rhode Island | United States | 41.71806 | -71.57222 | 347 | 47902 |
| Common Fence Point | city | Rhode Island | United States | 41.64389 | -71.22389 | 3 | 37971 |
| Comstock Gardens | city | Rhode Island | United States | 41.7775 | -71.52333 | 374 | 62300 |
| Conanicut Park | city | Rhode Island | United States | 41.56167 | -71.36472 | 9 | 13796 |
| Congdon Hill historical | city | Rhode Island | United States | 41.51972 | -71.47972 | 183 | 19445 |
| Conimicut | city | Rhode Island | United States | 41.72417 | -71.38333 | 3 | 107621 |
| Cooks Corner | city | Rhode Island | United States | 41.60444 | -71.52194 | 298 | 21164 |
| Cork Hill historical | city | Rhode Island | United States | 41.81917 | -71.40139 | 0 | 241094 |
| Coventry | city | Rhode Island | United States | 41.7 | -71.68333 | 400 | 5872 |
| Cowesett | city | Rhode Island | United States | 41.68111 | -71.46167 | 98 | 78459 |
| Cranston | city | Rhode Island | United States | 41.77972 | -71.43778 | 65 | 194568 |
| Cranstons Corner historical | city | Rhode Island | United States | 41.58333 | -71.50111 | 98 | 14118 |
| Crompton | city | Rhode Island | United States | 41.68472 | -71.51417 | 249 | 69764 |
| Crossways historical | city | Rhode Island | United States | 41.655 | -71.46472 | 65 | 52398 |
| Cumberland | city | Rhode Island | United States | 41.96667 | -71.43333 | 295 | 40955 |
| Cumberland Hill | city | Rhode Island | United States | 41.97444 | -71.4675 | 249 | 61763 |
| Curtis Corner | city | Rhode Island | United States | 41.45389 | -71.52889 | 124 | 24447 |
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