| Porthcawl to Butzbach | 541.73 mi (871.82 km) |
| Porthcawl to Buxtehude | 579.21 mi (932.16 km) |
| Porthcawl to Cadolzburg | 654.23 mi (1,052.88 km) |
| Porthcawl to Calbe | 661.80 mi (1,065.07 km) |
| Porthcawl to Calw | 581.91 mi (936.50 km) |
| Porthcawl to Castrop-Rauxel | 472.84 mi (760.96 km) |
| Porthcawl to Celle | 589.57 mi (948.82 km) |
| Porthcawl to Cham | 735.54 mi (1,183.74 km) |
| Porthcawl to Chemnitz | 719.48 mi (1,157.90 km) |
| Porthcawl to Clausthal-Zellerfeld | 600.87 mi (967.00 km) |
| Porthcawl to Cloppenburg | 505.87 mi (814.13 km) |
| Porthcawl to Coburg | 643.41 mi (1,035.46 km) |
| Porthcawl to Coesfeld | 465.46 mi (749.08 km) |
| Porthcawl to Cologne | 461.81 mi (743.21 km) |
| Porthcawl to Coswig | 744.75 mi (1,198.56 km) |
