| Paducah to Cadiz | 4,396.08 mi (7,074.80 km) |
| Paducah to Calafell | 4,611.61 mi (7,421.66 km) |
| Paducah to Calahorra | 4,415.23 mi (7,105.63 km) |
| Paducah to Calasparra | 4,561.41 mi (7,340.89 km) |
| Paducah to Calatayud | 4,461.02 mi (7,179.32 km) |
| Paducah to Caldas de Montbuy | 4,623.66 mi (7,441.07 km) |
| Paducah to Caldas de Reyes | 4,099.86 mi (6,598.09 km) |
| Paducah to Calella | 4,646.43 mi (7,477.71 km) |
| Paducah to Callosa de Segura | 4,603.87 mi (7,409.21 km) |
| Paducah to Calpe | 4,629.32 mi (7,450.18 km) |
| Paducah to Calvia | 4,711.07 mi (7,581.74 km) |
| Paducah to Camas | 4,380.94 mi (7,050.44 km) |
| Paducah to Cambados | 4,095.23 mi (6,590.64 km) |
| Paducah to Cambre | 4,094.94 mi (6,590.17 km) |
| Paducah to Cambrils | 4,592.96 mi (7,391.65 km) |
