| Porthcawl to Cesky Tesin | 981.84 mi (1,580.11 km) |
| Porthcawl to Cheb | 706.83 mi (1,137.54 km) |
| Porthcawl to Chocen | 873.90 mi (1,406.41 km) |
| Porthcawl to Chodov | 720.26 mi (1,159.15 km) |
| Porthcawl to Chomutov | 745.90 mi (1,200.42 km) |
| Porthcawl to Chotebor | 855.13 mi (1,376.20 km) |
| Porthcawl to Chrudim | 856.38 mi (1,378.22 km) |
| Porthcawl to Decin | 775.19 mi (1,247.55 km) |
| Porthcawl to Dobris | 789.35 mi (1,270.34 km) |
| Porthcawl to Domazlice | 742.67 mi (1,195.22 km) |
| Porthcawl to Duchcov | 758.09 mi (1,220.02 km) |
| Porthcawl to Dvur Kralove nad Labem | 849.32 mi (1,366.86 km) |
| Porthcawl to Frenstat pod Radhostem | 967.72 mi (1,557.39 km) |
| Porthcawl to Frydek-Mistek | 971.11 mi (1,562.86 km) |
| Porthcawl to Frydlant nad Ostravici | 973.27 mi (1,566.32 km) |
