| Dubuque to Chaudfontaine | 4,280.38 mi (6,888.61 km) |
| Dubuque to Chaumont-Gistoux | 4,242.27 mi (6,827.27 km) |
| Dubuque to Chimay | 4,252.40 mi (6,843.58 km) |
| Dubuque to Ciney | 4,271.76 mi (6,874.73 km) |
| Dubuque to Colfontaine | 4,221.74 mi (6,794.24 km) |
| Dubuque to Courcelles | 4,239.12 mi (6,822.20 km) |
| Dubuque to Court-Saint-Etienne | 4,239.50 mi (6,822.81 km) |
| Dubuque to Couvin | 4,258.57 mi (6,853.51 km) |
| Dubuque to Damme | 4,169.46 mi (6,710.10 km) |
| Dubuque to De Haan | 4,159.47 mi (6,694.01 km) |
| Dubuque to De Panne | 4,149.48 mi (6,677.95 km) |
| Dubuque to De Pinte | 4,192.14 mi (6,746.59 km) |
| Dubuque to Deerlijk | 4,186.67 mi (6,737.80 km) |
| Dubuque to Deinze | 4,188.47 mi (6,740.70 km) |
| Dubuque to Denderleeuw | 4,212.37 mi (6,779.15 km) |
