| Castellabate to Dendermonde | 907.23 mi (1,460.05 km) |
| Castellabate to Dessel | 891.38 mi (1,434.54 km) |
| Castellabate to Destelbergen | 916.43 mi (1,474.86 km) |
| Castellabate to Deurne | 907.82 mi (1,460.99 km) |
| Castellabate to Diepenbeek | 865.46 mi (1,392.83 km) |
| Castellabate to Diest | 879.18 mi (1,414.90 km) |
| Castellabate to Diksmuide | 942.35 mi (1,516.56 km) |
| Castellabate to Dilbeek | 892.40 mi (1,436.18 km) |
| Castellabate to Dinant | 843.56 mi (1,357.58 km) |
| Castellabate to Dison | 838.15 mi (1,348.88 km) |
| Castellabate to Dour | 882.97 mi (1,421.00 km) |
| Castellabate to Drongen | 920.17 mi (1,480.87 km) |
| Castellabate to Duffel | 899.57 mi (1,447.71 km) |
| Castellabate to Durbuy | 833.56 mi (1,341.49 km) |
| Castellabate to Ecaussinnes-Lalaing | 880.12 mi (1,416.41 km) |
