| Porthcawl to Castelfidardo | 973.27 mi (1,566.33 km) |
| Porthcawl to Castelfiorentino | 871.22 mi (1,402.09 km) |
| Porthcawl to Castelfranco di Sopra | 891.64 mi (1,434.95 km) |
| Porthcawl to Castelfranco di Sotto | 858.62 mi (1,381.81 km) |
| Porthcawl to Castelfranco Emilia | 828.26 mi (1,332.96 km) |
| Porthcawl to Castelfranco Veneto | 817.05 mi (1,314.91 km) |
| Porthcawl to Castellabate | 1,178.42 mi (1,896.48 km) |
| Porthcawl to Castellammare del Golfo | 1,229.15 mi (1,978.13 km) |
| Porthcawl to Castellammare di Stabia | 1,140.47 mi (1,835.41 km) |
| Porthcawl to Castellamonte | 670.09 mi (1,078.40 km) |
| Porthcawl to Castellana Grotte | 1,230.34 mi (1,980.04 km) |
| Porthcawl to Castellaneta | 1,233.52 mi (1,985.16 km) |
| Porthcawl to Castellanza | 702.55 mi (1,130.64 km) |
| Porthcawl to Castellarano | 819.53 mi (1,318.90 km) |
| Porthcawl to Castelleone | 748.82 mi (1,205.11 km) |
