| Bad Neuenahr-Ahrweiler to Civita Castellana | 622.86 mi (1,002.40 km) |
| Bad Neuenahr-Ahrweiler to Civitanova Marche | 589.51 mi (948.72 km) |
| Bad Neuenahr-Ahrweiler to Civitavecchia | 624.54 mi (1,005.10 km) |
| Bad Neuenahr-Ahrweiler to Civitella in Val di Chiana | 537.92 mi (865.70 km) |
| Bad Neuenahr-Ahrweiler to Clusone | 347.48 mi (559.21 km) |
| Bad Neuenahr-Ahrweiler to Coccaglio | 368.67 mi (593.31 km) |
| Bad Neuenahr-Ahrweiler to Codigoro | 457.88 mi (736.88 km) |
| Bad Neuenahr-Ahrweiler to Codogno | 390.91 mi (629.10 km) |
| Bad Neuenahr-Ahrweiler to Codroipo | 415.74 mi (669.07 km) |
| Bad Neuenahr-Ahrweiler to Cogoleto | 431.25 mi (694.03 km) |
| Bad Neuenahr-Ahrweiler to Colle di Val d'Elsa | 528.58 mi (850.67 km) |
| Bad Neuenahr-Ahrweiler to Colle Salvetti | 505.22 mi (813.07 km) |
| Bad Neuenahr-Ahrweiler to Collecchio | 425.54 mi (684.84 km) |
| Bad Neuenahr-Ahrweiler to Colleferro | 670.69 mi (1,079.37 km) |
| Bad Neuenahr-Ahrweiler to Collegno | 378.34 mi (608.89 km) |
