| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cogolls | city | Cataluna | Spain | 42.09 | 2.54 | 1669 | 2788 |
| Cogul | city | Cataluna | Spain | 41.47 | 0.69 | 964 | 1555 |
| Cogull | city | Cataluna | Spain | 41.47 | 0.69 | 964 | 1555 |
| Col de Nargo | city | Cataluna | Spain | 42.17 | 1.32 | 1761 | 1548 |
| Colera | city | Cataluna | Spain | 42.40 | 3.15 | 3 | 6705 |
| Coll | city | Cataluna | Spain | 42.47 | 0.77 | 4425 | 828 |
| Coll de Nargo | city | Cataluna | Spain | 42.17 | 1.32 | 1761 | 1548 |
| Coll de Negró | city | Cataluna | Spain | 42.17 | 1.32 | 1761 | 1548 |
| Collbato | city | Cataluna | Spain | 41.57 | 1.83 | 1033 | 23718 |
| Collblanch | city | Cataluna | Spain | 41.37 | 2.13 | 157 | 1161561 |
| Collblanch y La Torrassa | city | Cataluna | Spain | 41.37 | 2.13 | 157 | 1161561 |
| Collblanch y la Torassa | city | Cataluna | Spain | 41.37 | 2.13 | 157 | 1161561 |
| Collblanch-Torassa | city | Cataluna | Spain | 41.37 | 2.13 | 157 | 1161561 |
| Colldejou | city | Cataluna | Spain | 41.10 | 0.89 | 1233 | 1634 |
| Collsuspina | city | Cataluna | Spain | 41.83 | 2.18 | 3349 | 10547 |
| Colomes | city | Cataluna | Spain | 42.08 | 2.99 | 88 | 3582 |
| Conanglell | city | Cataluna | Spain | 42.05 | 2.25 | 1712 | 32432 |
| Concabella | city | Cataluna | Spain | 41.75 | 1.24 | 1669 | 2044 |
| Conesa | city | Cataluna | Spain | 41.52 | 1.30 | 2509 | 1246 |
| Conques | city | Cataluna | Spain | 42.12 | 1.01 | 1719 | 625 |
| Constantí | city | Cataluna | Spain | 41.15 | 1.21 | 167 | 75882 |
| Contestins | city | Cataluna | Spain | 41.98 | 2.69 | 390 | 7005 |
| Copóns | city | Cataluna | Spain | 41.64 | 1.52 | 1702 | 963 |
| Corbera | city | Cataluna | Spain | 41.42 | 1.92 | 830 | 51947 |
| Corbera | city | Cataluna | Spain | 41.08 | 0.48 | 1020 | 2307 |
| Corbera Baja | city | Cataluna | Spain | 41.42 | 1.92 | 830 | 51947 |
| Corbera de Llobregat | city | Cataluna | Spain | 41.42 | 1.92 | 830 | 51947 |
| Corbera del Llobregat | city | Cataluna | Spain | 41.42 | 1.92 | 830 | 51947 |
| Corbins | city | Cataluna | Spain | 41.69 | 0.70 | 830 | 9581 |
| Cornella | city | Cataluna | Spain | 41.35 | 2.07 | 42 | 600509 |
| Cornella del Terri | city | Cataluna | Spain | 42.09 | 2.82 | 308 | 12487 |
| Cornellá de Llobregat | city | Cataluna | Spain | 41.35 | 2.07 | 42 | 600509 |
| Cornellá de Terri | city | Cataluna | Spain | 42.09 | 2.82 | 308 | 12487 |
| Cornudella | city | Cataluna | Spain | 41.27 | 0.91 | 1702 | 1026 |
| Cornudella | city | Cataluna | Spain | 41.30 | 1.57 | 830 | 9412 |
| Cornudella de Montsant | city | Cataluna | Spain | 41.30 | 1.57 | 830 | 9412 |
| Coromina | city | Cataluna | Spain | 41.91 | 1.69 | 1669 | 4216 |
| Corró de Vall | city | Cataluna | Spain | 41.63 | 2.30 | 830 | 84413 |
| Cors | city | Cataluna | Spain | 42.10 | 2.79 | 410 | 19306 |
| Corsa | city | Cataluna | Spain | 41.99 | 3.02 | 85 | 9925 |