| Bad Neuenahr-Ahrweiler to Cosenza | 894.79 mi (1,440.03 km) |
| Bad Neuenahr-Ahrweiler to Cossato | 347.36 mi (559.02 km) |
| Bad Neuenahr-Ahrweiler to Costa Volpino | 353.49 mi (568.88 km) |
| Bad Neuenahr-Ahrweiler to Creazzo | 400.64 mi (644.77 km) |
| Bad Neuenahr-Ahrweiler to Crema | 376.95 mi (606.64 km) |
| Bad Neuenahr-Ahrweiler to Cremona | 397.58 mi (639.84 km) |
| Bad Neuenahr-Ahrweiler to Crevalcore | 444.22 mi (714.90 km) |
| Bad Neuenahr-Ahrweiler to Crispiano | 841.96 mi (1,355.00 km) |
| Bad Neuenahr-Ahrweiler to Crosia | 891.26 mi (1,434.34 km) |
| Bad Neuenahr-Ahrweiler to Crotone | 929.54 mi (1,495.94 km) |
| Bad Neuenahr-Ahrweiler to Cuneo | 426.20 mi (685.90 km) |
| Bad Neuenahr-Ahrweiler to Cuorgne | 357.04 mi (574.60 km) |
| Bad Neuenahr-Ahrweiler to Cusano Milanino | 358.06 mi (576.24 km) |
| Bad Neuenahr-Ahrweiler to Cutro | 929.22 mi (1,495.43 km) |
| Bad Neuenahr-Ahrweiler to Cutrofiano | 897.45 mi (1,444.30 km) |
