| Guastalla to Dendermonde | 520.00 mi (836.85 km) |
| Guastalla to Dessel | 505.75 mi (813.92 km) |
| Guastalla to Destelbergen | 529.07 mi (851.45 km) |
| Guastalla to Deurne | 521.12 mi (838.67 km) |
| Guastalla to Diepenbeek | 479.73 mi (772.05 km) |
| Guastalla to Diest | 492.93 mi (793.29 km) |
| Guastalla to Diksmuide | 555.05 mi (893.27 km) |
| Guastalla to Dilbeek | 505.10 mi (812.89 km) |
| Guastalla to Dinant | 456.24 mi (734.25 km) |
| Guastalla to Dison | 452.70 mi (728.54 km) |
| Guastalla to Dour | 495.68 mi (797.71 km) |
| Guastalla to Drongen | 532.77 mi (857.41 km) |
| Guastalla to Duffel | 512.76 mi (825.21 km) |
| Guastalla to Durbuy | 446.84 mi (719.12 km) |
| Guastalla to Ecaussinnes-Lalaing | 492.69 mi (792.91 km) |
