| Niederkassel to Corbetta | 379.68 mi (611.03 km) |
| Niederkassel to Corciano | 585.36 mi (942.05 km) |
| Niederkassel to Cordenons | 422.94 mi (680.65 km) |
| Niederkassel to Cori | 692.70 mi (1,114.79 km) |
| Niederkassel to Coriano | 539.82 mi (868.76 km) |
| Niederkassel to Corigliano Calabro | 900.40 mi (1,449.06 km) |
| Niederkassel to Corleone | 949.27 mi (1,527.71 km) |
| Niederkassel to Cormano | 376.89 mi (606.54 km) |
| Niederkassel to Cornaredo | 378.70 mi (609.46 km) |
| Niederkassel to Cornate d'Adda | 374.08 mi (602.03 km) |
| Niederkassel to Cornedo Vicentino | 410.42 mi (660.50 km) |
| Niederkassel to Correggio | 452.41 mi (728.08 km) |
| Niederkassel to Corridonia | 604.89 mi (973.47 km) |
| Niederkassel to Corsico | 384.12 mi (618.19 km) |
| Niederkassel to Cortona | 570.55 mi (918.22 km) |
