| Frosinone to Dendermonde | 783.87 mi (1,261.52 km) |
| Frosinone to Dessel | 769.40 mi (1,238.23 km) |
| Frosinone to Destelbergen | 792.82 mi (1,275.92 km) |
| Frosinone to Deurne | 785.06 mi (1,263.43 km) |
| Frosinone to Diepenbeek | 743.41 mi (1,196.40 km) |
| Frosinone to Diest | 756.77 mi (1,217.91 km) |
| Frosinone to Diksmuide | 818.02 mi (1,316.48 km) |
| Frosinone to Dilbeek | 768.94 mi (1,237.49 km) |
| Frosinone to Dinant | 720.07 mi (1,158.83 km) |
| Frosinone to Dison | 716.26 mi (1,152.72 km) |
| Frosinone to Dour | 758.66 mi (1,220.94 km) |
| Frosinone to Drongen | 796.45 mi (1,281.76 km) |
| Frosinone to Duffel | 776.71 mi (1,249.99 km) |
| Frosinone to Durbuy | 710.77 mi (1,143.88 km) |
| Frosinone to Ecaussinnes-Lalaing | 756.29 mi (1,217.14 km) |
