| Castanet-Tolosan to Dendermonde | 533.46 mi (858.52 km) |
| Castanet-Tolosan to Dessel | 559.30 mi (900.10 km) |
| Castanet-Tolosan to Destelbergen | 531.57 mi (855.48 km) |
| Castanet-Tolosan to Deurne | 550.29 mi (885.61 km) |
| Castanet-Tolosan to Diepenbeek | 542.63 mi (873.28 km) |
| Castanet-Tolosan to Diest | 542.14 mi (872.49 km) |
| Castanet-Tolosan to Diksmuide | 523.34 mi (842.24 km) |
| Castanet-Tolosan to Dilbeek | 521.76 mi (839.70 km) |
| Castanet-Tolosan to Dinant | 493.46 mi (794.14 km) |
| Castanet-Tolosan to Dison | 531.44 mi (855.26 km) |
| Castanet-Tolosan to Dour | 487.49 mi (784.54 km) |
| Castanet-Tolosan to Drongen | 530.34 mi (853.50 km) |
| Castanet-Tolosan to Duffel | 542.65 mi (873.32 km) |
| Castanet-Tolosan to Durbuy | 507.75 mi (817.15 km) |
| Castanet-Tolosan to Ecaussinnes-Lalaing | 503.23 mi (809.87 km) |
