| Port Talbot to Dendermonde | 343.13 mi (552.21 km) |
| Port Talbot to Dessel | 384.75 mi (619.20 km) |
| Port Talbot to Destelbergen | 330.08 mi (531.21 km) |
| Port Talbot to Deurne | 356.75 mi (574.13 km) |
| Port Talbot to Diepenbeek | 401.09 mi (645.50 km) |
| Port Talbot to Diest | 384.47 mi (618.74 km) |
| Port Talbot to Diksmuide | 290.33 mi (467.23 km) |
| Port Talbot to Dilbeek | 352.09 mi (566.63 km) |
| Port Talbot to Dinant | 390.15 mi (627.88 km) |
| Port Talbot to Dison | 423.65 mi (681.80 km) |
| Port Talbot to Dour | 339.58 mi (546.49 km) |
| Port Talbot to Drongen | 324.37 mi (522.02 km) |
| Port Talbot to Duffel | 360.27 mi (579.79 km) |
| Port Talbot to Durbuy | 411.36 mi (662.02 km) |
| Port Talbot to Ecaussinnes-Lalaing | 353.44 mi (568.80 km) |
