| Castleton to Dendermonde | 318.34 mi (512.31 km) |
| Castleton to Dessel | 347.53 mi (559.29 km) |
| Castleton to Destelbergen | 307.19 mi (494.38 km) |
| Castleton to Deurne | 323.79 mi (521.09 km) |
| Castleton to Diepenbeek | 370.52 mi (596.30 km) |
| Castleton to Diest | 354.25 mi (570.11 km) |
| Castleton to Diksmuide | 276.57 mi (445.09 km) |
| Castleton to Dilbeek | 331.85 mi (534.06 km) |
| Castleton to Dinant | 379.19 mi (610.24 km) |
| Castleton to Dison | 397.37 mi (639.51 km) |
| Castleton to Dour | 335.71 mi (540.28 km) |
| Castleton to Drongen | 302.59 mi (486.98 km) |
| Castleton to Duffel | 330.50 mi (531.89 km) |
| Castleton to Durbuy | 394.06 mi (634.18 km) |
| Castleton to Ecaussinnes-Lalaing | 341.14 mi (549.01 km) |
