| Dubuque to Deville-les-Rouen | 4,151.06 mi (6,680.48 km) |
| Dubuque to Dieppe | 4,135.88 mi (6,656.06 km) |
| Dubuque to Digne-les-Bains | 4,562.99 mi (7,343.42 km) |
| Dubuque to Dijon | 4,384.82 mi (7,056.68 km) |
| Dubuque to Dinan | 4,066.95 mi (6,545.13 km) |
| Dubuque to Dinard | 4,060.30 mi (6,534.42 km) |
| Dubuque to Divonne-les-Bains | 4,466.63 mi (7,188.34 km) |
| Dubuque to Dole | 4,411.90 mi (7,100.26 km) |
| Dubuque to Dombasle-sur-Meurthe | 4,383.45 mi (7,054.48 km) |
| Dubuque to Domerat | 4,325.45 mi (6,961.14 km) |
| Dubuque to Domont | 4,216.07 mi (6,785.11 km) |
| Dubuque to Douai | 4,194.43 mi (6,750.28 km) |
| Dubuque to Douarnenez | 3,988.75 mi (6,419.27 km) |
| Dubuque to Douchy-les-Mines | 4,208.67 mi (6,773.21 km) |
| Dubuque to Dourdan | 4,222.59 mi (6,795.60 km) |
