| Gradignan to Dendermonde | 484.35 mi (779.49 km) |
| Gradignan to Dessel | 518.76 mi (834.87 km) |
| Gradignan to Destelbergen | 479.31 mi (771.37 km) |
| Gradignan to Deurne | 503.56 mi (810.39 km) |
| Gradignan to Diepenbeek | 507.50 mi (816.74 km) |
| Gradignan to Diest | 502.84 mi (809.25 km) |
| Gradignan to Diksmuide | 461.54 mi (742.77 km) |
| Gradignan to Dilbeek | 475.51 mi (765.26 km) |
| Gradignan to Dinant | 458.78 mi (738.34 km) |
| Gradignan to Dison | 503.04 mi (809.56 km) |
| Gradignan to Dour | 439.18 mi (706.79 km) |
| Gradignan to Drongen | 476.72 mi (767.21 km) |
| Gradignan to Duffel | 497.28 mi (800.29 km) |
| Gradignan to Durbuy | 477.95 mi (769.18 km) |
| Gradignan to Ecaussinnes-Lalaing | 458.17 mi (737.35 km) |
