| Porthcawl to Cernavoda | 1,535.75 mi (2,471.56 km) |
| Porthcawl to Chitila | 1,442.23 mi (2,321.05 km) |
| Porthcawl to Cisnadie | 1,323.87 mi (2,130.56 km) |
| Porthcawl to Cluj-Napoca | 1,267.32 mi (2,039.55 km) |
| Porthcawl to Codlea | 1,379.72 mi (2,220.45 km) |
| Porthcawl to Comanesti | 1,400.37 mi (2,253.69 km) |
| Porthcawl to Comarnic | 1,402.34 mi (2,256.85 km) |
| Porthcawl to Constanta | 1,567.36 mi (2,522.43 km) |
| Porthcawl to Corabia | 1,405.72 mi (2,262.28 km) |
| Porthcawl to Costesti | 1,389.71 mi (2,236.53 km) |
| Porthcawl to Covasna | 1,406.71 mi (2,263.89 km) |
| Porthcawl to Craiova | 1,356.40 mi (2,182.91 km) |
| Porthcawl to Cristuru Secuiesc | 1,343.74 mi (2,162.54 km) |
| Porthcawl to Cugir | 1,286.05 mi (2,069.70 km) |
| Porthcawl to Cumpana | 1,565.93 mi (2,520.12 km) |
