| Porthcawl to Cognac | 428.03 mi (688.85 km) |
| Porthcawl to Cogolin | 741.47 mi (1,193.28 km) |
| Porthcawl to Colmar | 545.13 mi (877.30 km) |
| Porthcawl to Colombes | 316.49 mi (509.33 km) |
| Porthcawl to Colomiers | 591.55 mi (952.00 km) |
| Porthcawl to Combs-la-Ville | 338.20 mi (544.28 km) |
| Porthcawl to Comines | 294.58 mi (474.08 km) |
| Porthcawl to Compiegne | 319.96 mi (514.93 km) |
| Porthcawl to Concarneau | 249.27 mi (401.16 km) |
| Porthcawl to Conde-sur-l'Escaut | 324.57 mi (522.35 km) |
| Porthcawl to Conflans-Sainte-Honorine | 307.77 mi (495.30 km) |
| Porthcawl to Corbas | 561.01 mi (902.85 km) |
| Porthcawl to Corbeil-Essonnes | 337.76 mi (543.57 km) |
| Porthcawl to Cormeilles-en-Parisis | 312.58 mi (503.05 km) |
| Porthcawl to Cosne sur Loire | 408.81 mi (657.92 km) |
