| Castelfidardo to Dendermonde | 684.29 mi (1,101.26 km) |
| Castelfidardo to Dessel | 665.30 mi (1,070.70 km) |
| Castelfidardo to Destelbergen | 694.22 mi (1,117.24 km) |
| Castelfidardo to Deurne | 683.30 mi (1,099.67 km) |
| Castelfidardo to Diepenbeek | 639.61 mi (1,029.36 km) |
| Castelfidardo to Diest | 653.99 mi (1,052.49 km) |
| Castelfidardo to Diksmuide | 722.73 mi (1,163.13 km) |
| Castelfidardo to Dilbeek | 669.81 mi (1,077.96 km) |
| Castelfidardo to Dinant | 621.34 mi (999.94 km) |
| Castelfidardo to Dison | 612.11 mi (985.09 km) |
| Castelfidardo to Dour | 663.61 mi (1,067.98 km) |
| Castelfidardo to Drongen | 698.31 mi (1,123.83 km) |
| Castelfidardo to Duffel | 675.33 mi (1,086.83 km) |
| Castelfidardo to Durbuy | 609.43 mi (980.78 km) |
| Castelfidardo to Ecaussinnes-Lalaing | 658.80 mi (1,060.23 km) |
