UpAlphabetical listing of Places in Oklahoma
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Claremore | city | Oklahoma | United States | 36.31 | -95.62 | 830 | |
| Clarita | city | Oklahoma | United States | 34.48 | -96.43 | 830 | |
| Clarks Heights | city | Oklahoma | United States | 35.38 | -97.00 | 1089 | |
| Clarksville | city | Oklahoma | United States | 35.83 | -95.51 | 830 | |
| Clayton | city | Oklahoma | United States | 34.59 | -95.35 | 830 | |
| Clear Lake | city | Oklahoma | United States | 36.69 | -100.27 | 2509 | |
| Clearview | city | Oklahoma | United States | 35.40 | -96.19 | 830 | |
| Clebit | city | Oklahoma | United States | 34.39 | -95.02 | 830 | |
| Clemscott | city | Oklahoma | United States | 34.35 | -97.46 | 958 | |
| Cleo Springs | city | Oklahoma | United States | 36.41 | -98.44 | 1669 | |
| Cleora | city | Oklahoma | United States | 36.58 | -94.97 | 830 | |
| Cleveland | city | Oklahoma | United States | 36.31 | -96.46 | 830 | |
| Clifton | city | Oklahoma | United States | 35.52 | -96.91 | 872 | |
| Clinton | city | Oklahoma | United States | 35.52 | -98.97 | 1669 | |
| Clothier | city | Oklahoma | United States | 35.32 | -97.41 | 1200 | |
| Cloud Chief | city | Oklahoma | United States | 35.25 | -98.84 | 1669 | |
| Cloud Creek | city | Oklahoma | United States | 36.27 | -94.77 | 1177 | |
| Cloudy | city | Oklahoma | United States | 34.30 | -95.28 | 830 | |
| Clyde | city | Oklahoma | United States | 36.85 | -97.82 | 1118 | |
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