| Bad Neuenahr-Ahrweiler to Carovigno | 848.36 mi (1,365.31 km) |
| Bad Neuenahr-Ahrweiler to Carpenedolo | 389.32 mi (626.55 km) |
| Bad Neuenahr-Ahrweiler to Carpi | 434.87 mi (699.86 km) |
| Bad Neuenahr-Ahrweiler to Carrara | 468.02 mi (753.20 km) |
| Bad Neuenahr-Ahrweiler to Carugate | 359.97 mi (579.31 km) |
| Bad Neuenahr-Ahrweiler to Casal di Principe | 739.35 mi (1,189.87 km) |
| Bad Neuenahr-Ahrweiler to Casale Monferrato | 378.98 mi (609.91 km) |
| Bad Neuenahr-Ahrweiler to Casale sul Sile | 417.86 mi (672.48 km) |
| Bad Neuenahr-Ahrweiler to Casalecchio di Reno | 461.62 mi (742.91 km) |
| Bad Neuenahr-Ahrweiler to Casalgrande | 444.99 mi (716.14 km) |
| Bad Neuenahr-Ahrweiler to Casalmaggiore | 413.45 mi (665.38 km) |
| Bad Neuenahr-Ahrweiler to Casalnuovo di Napoli | 750.38 mi (1,207.62 km) |
| Bad Neuenahr-Ahrweiler to Casalpusterlengo | 388.95 mi (625.96 km) |
| Bad Neuenahr-Ahrweiler to Casaluce | 741.85 mi (1,193.90 km) |
| Bad Neuenahr-Ahrweiler to Casamassima | 812.67 mi (1,307.87 km) |
