| Piqua to Dendermonde | 4,075.62 mi (6,559.08 km) |
| Piqua to Dessel | 4,108.52 mi (6,612.02 km) |
| Piqua to Destelbergen | 4,063.48 mi (6,539.53 km) |
| Piqua to Deurne | 4,083.63 mi (6,571.96 km) |
| Piqua to Diepenbeek | 4,130.53 mi (6,647.45 km) |
| Piqua to Diest | 4,113.93 mi (6,620.74 km) |
| Piqua to Diksmuide | 4,027.70 mi (6,481.95 km) |
| Piqua to Dilbeek | 4,087.72 mi (6,578.56 km) |
| Piqua to Dinant | 4,131.76 mi (6,649.42 km) |
| Piqua to Dison | 4,156.65 mi (6,689.48 km) |
| Piqua to Dour | 4,083.12 mi (6,571.15 km) |
| Piqua to Drongen | 4,058.30 mi (6,531.21 km) |
| Piqua to Duffel | 4,089.64 mi (6,581.64 km) |
| Piqua to Durbuy | 4,150.02 mi (6,678.81 km) |
| Piqua to Ecaussinnes-Lalaing | 4,093.55 mi (6,587.92 km) |
