| Dubuque to Dendermonde | 4,207.36 mi (6,771.10 km) |
| Dubuque to Dessel | 4,236.79 mi (6,818.46 km) |
| Dubuque to Destelbergen | 4,195.77 mi (6,752.44 km) |
| Dubuque to Deurne | 4,213.40 mi (6,780.82 km) |
| Dubuque to Diepenbeek | 4,260.11 mi (6,855.98 km) |
| Dubuque to Diest | 4,243.86 mi (6,829.83 km) |
| Dubuque to Diksmuide | 4,162.12 mi (6,698.29 km) |
| Dubuque to Dilbeek | 4,220.35 mi (6,791.99 km) |
| Dubuque to Dinant | 4,266.30 mi (6,865.94 km) |
| Dubuque to Dison | 4,286.98 mi (6,899.23 km) |
| Dubuque to Dour | 4,219.42 mi (6,790.50 km) |
| Dubuque to Drongen | 4,190.89 mi (6,744.59 km) |
| Dubuque to Duffel | 4,220.06 mi (6,791.53 km) |
| Dubuque to Durbuy | 4,282.82 mi (6,892.53 km) |
| Dubuque to Ecaussinnes-Lalaing | 4,227.93 mi (6,804.20 km) |
