| Porthcawl to Cortona | 923.81 mi (1,486.72 km) |
| Porthcawl to Cosenza | 1,274.80 mi (2,051.60 km) |
| Porthcawl to Cossato | 677.84 mi (1,090.88 km) |
| Porthcawl to Costa Volpino | 738.80 mi (1,188.98 km) |
| Porthcawl to Creazzo | 804.73 mi (1,295.08 km) |
| Porthcawl to Crema | 742.79 mi (1,195.41 km) |
| Porthcawl to Cremona | 766.19 mi (1,233.06 km) |
| Porthcawl to Crevalcore | 826.60 mi (1,330.28 km) |
| Porthcawl to Crispiano | 1,246.40 mi (2,005.89 km) |
| Porthcawl to Crosia | 1,279.96 mi (2,059.90 km) |
| Porthcawl to Crotone | 1,317.16 mi (2,119.76 km) |
| Porthcawl to Cuneo | 713.50 mi (1,148.27 km) |
| Porthcawl to Cuorgne | 667.52 mi (1,074.26 km) |
| Porthcawl to Cusano Milanino | 716.04 mi (1,152.35 km) |
| Porthcawl to Cutro | 1,314.86 mi (2,116.07 km) |
