| Porthcawl to Creutzwald | 483.68 mi (778.40 km) |
| Porthcawl to Croissy-sur-Seine | 314.36 mi (505.92 km) |
| Porthcawl to Croix | 301.95 mi (485.94 km) |
| Porthcawl to Crosne | 332.74 mi (535.49 km) |
| Porthcawl to Cuers | 728.79 mi (1,172.87 km) |
| Porthcawl to Cugnaux | 596.57 mi (960.08 km) |
| Porthcawl to Cusset | 491.64 mi (791.22 km) |
| Porthcawl to Dammarie-le-Lys | 347.56 mi (559.34 km) |
| Porthcawl to Dammartin-en-Goele | 327.36 mi (526.83 km) |
| Porthcawl to Dardilly | 549.13 mi (883.74 km) |
| Porthcawl to Darnetal | 255.09 mi (410.53 km) |
| Porthcawl to Dax | 550.67 mi (886.22 km) |
| Porthcawl to Decines-Charpieu | 557.61 mi (897.38 km) |
| Porthcawl to Denain | 318.65 mi (512.81 km) |
| Porthcawl to Deuil-la-Barre | 317.10 mi (510.33 km) |
