| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cielle | city | Wallonie | Belgium | 50.19 | 5.56 | 830 | 4146 |
| Ciergnon | city | Wallonie | Belgium | 50.17 | 5.09 | 830 | 1876 |
| Cierreux | city | Wallonie | Belgium | 50.24 | 5.93 | 1669 | 8428 |
| Ciney | city | Wallonie | Belgium | 50.30 | 5.10 | 938 | 17709 |
| Ciney (Achêne) | city | Wallonie | Belgium | 50.27 | 5.04 | 987 | 3765 |
| Ciney (Braibant) | city | Wallonie | Belgium | 50.31 | 5.06 | 830 | 10027 |
| Ciney (Conneux) | city | Wallonie | Belgium | 50.25 | 5.06 | 830 | 2883 |
| Ciney (Leignon) | city | Wallonie | Belgium | 50.27 | 5.11 | 928 | 14652 |
| Ciney (Serinchamps) | city | Wallonie | Belgium | 50.23 | 5.23 | 830 | 2426 |
| Ciney (Sovet) | city | Wallonie | Belgium | 50.30 | 5.04 | 879 | 4167 |
| Cinq Épines | city | Wallonie | Belgium | 50.62 | 4.15 | 344 | 27563 |
| Cinquant | city | Wallonie | Belgium | 50.74 | 3.66 | 200 | 22731 |
| Cinse-Jean-Gerot | city | Wallonie | Belgium | 49.97 | 5.13 | 1246 | 2506 |
| Cintrijn | city | Vlaanderen | Belgium | 50.78 | 3.50 | 65 | 12862 |
| Cintry | city | Wallonie | Belgium | 50.74 | 4.68 | 190 | 20797 |
| Ciplet | city | Wallonie | Belgium | 50.62 | 5.10 | 830 | 9950 |
| Ciply | city | Wallonie | Belgium | 50.42 | 3.95 | 187 | 48795 |
| Circuit Zolder | city | Vlaanderen | Belgium | 51.02 | 5.30 | 114 | 45242 |
| Circuito di Zolder | city | Vlaanderen | Belgium | 51.02 | 5.30 | 114 | 45242 |
| Città di Bruxelles | city | Bruxelles-Capitale | Belgium | 50.83 | 4.33 | 252 | 511619 |
| City of Brussels | city | Bruxelles-Capitale | Belgium | 50.83 | 4.33 | 252 | 511619 |
| Cité Cockerill | city | Vlaanderen | Belgium | 51.00 | 5.58 | 285 | 33843 |
| Cité-jardin "Floréal" | city | Bruxelles-Capitale | Belgium | 50.80 | 4.42 | 308 | 311413 |
| Cité-jardin "Le Logis" | city | Bruxelles-Capitale | Belgium | 50.80 | 4.40 | 272 | 361099 |