| Gundelfingen to Dendermonde | 266.78 mi (429.34 km) |
| Gundelfingen to Dessel | 252.41 mi (406.22 km) |
| Gundelfingen to Destelbergen | 276.32 mi (444.70 km) |
| Gundelfingen to Deurne | 267.40 mi (430.33 km) |
| Gundelfingen to Diepenbeek | 226.37 mi (364.31 km) |
| Gundelfingen to Diest | 239.26 mi (385.05 km) |
| Gundelfingen to Diksmuide | 304.74 mi (490.43 km) |
| Gundelfingen to Dilbeek | 252.07 mi (405.67 km) |
| Gundelfingen to Dinant | 203.38 mi (327.30 km) |
| Gundelfingen to Dison | 199.66 mi (321.32 km) |
| Gundelfingen to Dour | 245.84 mi (395.64 km) |
| Gundelfingen to Drongen | 280.29 mi (451.09 km) |
| Gundelfingen to Duffel | 259.06 mi (416.92 km) |
| Gundelfingen to Durbuy | 193.11 mi (310.78 km) |
| Gundelfingen to Ecaussinnes-Lalaing | 240.65 mi (387.28 km) |
