| Harrow on the Hill to Dendermonde | 194.96 mi (313.76 km) |
| Harrow on the Hill to Dessel | 235.97 mi (379.75 km) |
| Harrow on the Hill to Destelbergen | 182.00 mi (292.89 km) |
| Harrow on the Hill to Deurne | 208.02 mi (334.78 km) |
| Harrow on the Hill to Diepenbeek | 252.81 mi (406.85 km) |
| Harrow on the Hill to Diest | 236.10 mi (379.96 km) |
| Harrow on the Hill to Diksmuide | 143.01 mi (230.15 km) |
| Harrow on the Hill to Dilbeek | 204.72 mi (329.46 km) |
| Harrow on the Hill to Dinant | 245.57 mi (395.21 km) |
| Harrow on the Hill to Dison | 276.11 mi (444.35 km) |
| Harrow on the Hill to Dour | 196.24 mi (315.81 km) |
| Harrow on the Hill to Drongen | 176.35 mi (283.82 km) |
| Harrow on the Hill to Duffel | 211.76 mi (340.80 km) |
| Harrow on the Hill to Durbuy | 265.43 mi (427.18 km) |
| Harrow on the Hill to Ecaussinnes-Lalaing | 207.83 mi (334.47 km) |
