| Guadarrama to Dendermonde | 815.98 mi (1,313.19 km) |
| Guadarrama to Dessel | 851.70 mi (1,370.69 km) |
| Guadarrama to Destelbergen | 810.18 mi (1,303.86 km) |
| Guadarrama to Deurne | 835.54 mi (1,344.68 km) |
| Guadarrama to Diepenbeek | 840.96 mi (1,353.40 km) |
| Guadarrama to Diest | 835.99 mi (1,345.40 km) |
| Guadarrama to Diksmuide | 789.38 mi (1,270.38 km) |
| Guadarrama to Dilbeek | 807.80 mi (1,300.03 km) |
| Guadarrama to Dinant | 792.33 mi (1,275.13 km) |
| Guadarrama to Dison | 836.56 mi (1,346.31 km) |
| Guadarrama to Dour | 771.37 mi (1,241.40 km) |
| Guadarrama to Drongen | 807.24 mi (1,299.12 km) |
| Guadarrama to Duffel | 829.58 mi (1,335.07 km) |
| Guadarrama to Durbuy | 811.49 mi (1,305.96 km) |
| Guadarrama to Ecaussinnes-Lalaing | 790.78 mi (1,272.63 km) |
