| Nieder-Olm to Dendermonde | 196.42 mi (316.11 km) |
| Nieder-Olm to Dessel | 163.45 mi (263.04 km) |
| Nieder-Olm to Destelbergen | 209.00 mi (336.35 km) |
| Nieder-Olm to Deurne | 187.63 mi (301.96 km) |
| Nieder-Olm to Diepenbeek | 140.72 mi (226.47 km) |
| Nieder-Olm to Diest | 157.32 mi (253.19 km) |
| Nieder-Olm to Diksmuide | 247.13 mi (397.72 km) |
| Nieder-Olm to Dilbeek | 185.52 mi (298.57 km) |
| Nieder-Olm to Dinant | 147.75 mi (237.79 km) |
| Nieder-Olm to Dison | 114.86 mi (184.86 km) |
| Nieder-Olm to Dour | 198.64 mi (319.68 km) |
| Nieder-Olm to Drongen | 214.43 mi (345.09 km) |
| Nieder-Olm to Duffel | 181.68 mi (292.39 km) |
| Nieder-Olm to Durbuy | 125.45 mi (201.89 km) |
| Nieder-Olm to Ecaussinnes-Lalaing | 183.34 mi (295.05 km) |
