| Dubuque to Cavaillon | 4,525.62 mi (7,283.28 km) |
| Dubuque to Cebazat | 4,368.42 mi (7,030.29 km) |
| Dubuque to Cenon | 4,259.27 mi (6,854.63 km) |
| Dubuque to Cergy | 4,205.69 mi (6,768.41 km) |
| Dubuque to Cernay | 4,447.25 mi (7,157.16 km) |
| Dubuque to Cesson | 4,243.88 mi (6,829.86 km) |
| Dubuque to Cesson-Sevigne | 4,096.43 mi (6,592.57 km) |
| Dubuque to Cestas | 4,257.36 mi (6,851.57 km) |
| Dubuque to Chalette-sur-Loing | 4,270.03 mi (6,871.95 km) |
| Dubuque to Challans | 4,131.10 mi (6,648.36 km) |
| Dubuque to Chalon-sur-Saone | 4,399.73 mi (7,080.68 km) |
| Dubuque to Chalons-en-Champagne | 4,295.98 mi (6,913.72 km) |
| Dubuque to Chamalieres | 4,369.37 mi (7,031.82 km) |
| Dubuque to Chambery | 4,489.59 mi (7,225.30 km) |
| Dubuque to Chambly | 4,207.89 mi (6,771.95 km) |
