| Niederkassel to Cosenza | 912.45 mi (1,468.45 km) |
| Niederkassel to Cossato | 366.46 mi (589.77 km) |
| Niederkassel to Costa Volpino | 372.10 mi (598.84 km) |
| Niederkassel to Creazzo | 418.50 mi (673.52 km) |
| Niederkassel to Crema | 395.85 mi (637.06 km) |
| Niederkassel to Cremona | 416.39 mi (670.11 km) |
| Niederkassel to Crevalcore | 462.62 mi (744.52 km) |
| Niederkassel to Crispiano | 858.78 mi (1,382.07 km) |
| Niederkassel to Crosia | 908.64 mi (1,462.31 km) |
| Niederkassel to Crotone | 946.91 mi (1,523.90 km) |
| Niederkassel to Cuneo | 445.15 mi (716.40 km) |
| Niederkassel to Cuorgne | 376.04 mi (605.18 km) |
| Niederkassel to Cusano Milanino | 377.09 mi (606.86 km) |
| Niederkassel to Cutro | 946.66 mi (1,523.50 km) |
| Niederkassel to Cutrofiano | 914.00 mi (1,470.93 km) |
