| Porthcawl to Castelletto sopra Ticino | 688.23 mi (1,107.60 km) |
| Porthcawl to Castelli Calepio | 739.46 mi (1,190.04 km) |
| Porthcawl to Castelnovo ne' Monti | 811.43 mi (1,305.86 km) |
| Porthcawl to Castelnuovo Berardenga | 902.76 mi (1,452.85 km) |
| Porthcawl to Castelnuovo di Porto | 997.73 mi (1,605.69 km) |
| Porthcawl to Castelnuovo di Verona | 781.08 mi (1,257.03 km) |
| Porthcawl to Castelnuovo Rangone | 825.88 mi (1,329.13 km) |
| Porthcawl to Castelvetrano | 1,245.78 mi (2,004.89 km) |
| Porthcawl to Castelvetro di Modena | 828.76 mi (1,333.76 km) |
| Porthcawl to Castenaso | 847.87 mi (1,364.51 km) |
| Porthcawl to Castenedolo | 761.51 mi (1,225.53 km) |
| Porthcawl to Castiglion Fiorentino | 918.04 mi (1,477.44 km) |
| Porthcawl to Castiglione del Lago | 932.50 mi (1,500.71 km) |
| Porthcawl to Castiglione delle Stiviere | 772.27 mi (1,242.85 km) |
| Porthcawl to Castrolibero | 1,272.16 mi (2,047.34 km) |
