| Cities | Distance |
|---|---|
| Portici to Dendermonde | 858.61 mi (1,381.80 km) |
| Portici to Dessel | 843.22 mi (1,357.03 km) |
| Portici to Destelbergen | 867.73 mi (1,396.48 km) |
| Portici to Deurne | 859.40 mi (1,383.07 km) |
| Portici to Diepenbeek | 817.27 mi (1,315.27 km) |
| Portici to Diest | 830.87 mi (1,337.16 km) |
| Portici to Diksmuide | 893.42 mi (1,437.82 km) |
| Portici to Dilbeek | 843.75 mi (1,357.88 km) |
| Portici to Dinant | 794.89 mi (1,279.26 km) |
| Portici to Dison | 790.02 mi (1,271.41 km) |
| Portici to Dour | 834.04 mi (1,342.25 km) |
| Portici to Drongen | 871.43 mi (1,402.44 km) |
| Portici to Duffel | 851.11 mi (1,369.73 km) |
| Portici to Durbuy | 785.12 mi (1,263.53 km) |
| Portici to Ecaussinnes-Lalaing | 831.35 mi (1,337.92 km) |