| Porthcawl to Carmignano | 862.75 mi (1,388.45 km) |
| Porthcawl to Carovigno | 1,258.03 mi (2,024.60 km) |
| Porthcawl to Carpenedolo | 771.16 mi (1,241.07 km) |
| Porthcawl to Carpi | 813.60 mi (1,309.35 km) |
| Porthcawl to Carrara | 817.12 mi (1,315.02 km) |
| Porthcawl to Carugate | 721.65 mi (1,161.38 km) |
| Porthcawl to Casal di Principe | 1,111.84 mi (1,789.34 km) |
| Porthcawl to Casale Monferrato | 708.35 mi (1,139.98 km) |
| Porthcawl to Casale sul Sile | 835.53 mi (1,344.65 km) |
| Porthcawl to Casalecchio di Reno | 841.99 mi (1,355.05 km) |
| Porthcawl to Casalgrande | 816.92 mi (1,314.70 km) |
| Porthcawl to Casalmaggiore | 787.02 mi (1,266.58 km) |
| Porthcawl to Casalnuovo di Napoli | 1,124.63 mi (1,809.92 km) |
| Porthcawl to Casalpusterlengo | 749.91 mi (1,206.87 km) |
| Porthcawl to Casaluce | 1,115.07 mi (1,794.54 km) |
