| Porthcawl to Cutrofiano | 1,306.18 mi (2,102.09 km) |
| Porthcawl to Dalmine | 727.36 mi (1,170.56 km) |
| Porthcawl to Deruta | 953.38 mi (1,534.32 km) |
| Porthcawl to Desenzano del Garda | 770.69 mi (1,240.30 km) |
| Porthcawl to Desio | 714.36 mi (1,149.66 km) |
| Porthcawl to Dolianova | 1,039.90 mi (1,673.57 km) |
| Porthcawl to Dolo | 832.25 mi (1,339.38 km) |
| Porthcawl to Domodossola | 658.04 mi (1,059.01 km) |
| Porthcawl to Dorgali | 998.90 mi (1,607.57 km) |
| Porthcawl to Dueville | 803.29 mi (1,292.77 km) |
| Porthcawl to Eboli | 1,165.12 mi (1,875.08 km) |
| Porthcawl to Elmas | 1,042.95 mi (1,678.47 km) |
| Porthcawl to Empoli | 865.05 mi (1,392.17 km) |
| Porthcawl to Enna | 1,299.87 mi (2,091.94 km) |
| Porthcawl to Eraclea | 850.10 mi (1,368.10 km) |
