| Bad Neuenahr-Ahrweiler to Busto Garolfo | 354.81 mi (571.01 km) |
| Bad Neuenahr-Ahrweiler to Cabras | 736.39 mi (1,185.10 km) |
| Bad Neuenahr-Ahrweiler to Cadelbosco di Sopra | 430.82 mi (693.33 km) |
| Bad Neuenahr-Ahrweiler to Cadoneghe | 416.42 mi (670.16 km) |
| Bad Neuenahr-Ahrweiler to Cagli | 548.73 mi (883.10 km) |
| Bad Neuenahr-Ahrweiler to Cagliari | 787.94 mi (1,268.06 km) |
| Bad Neuenahr-Ahrweiler to Cairo Montenotte | 427.95 mi (688.71 km) |
| Bad Neuenahr-Ahrweiler to Caivano | 747.19 mi (1,202.49 km) |
| Bad Neuenahr-Ahrweiler to Calcinaia | 501.73 mi (807.46 km) |
| Bad Neuenahr-Ahrweiler to Calcinato | 383.06 mi (616.48 km) |
| Bad Neuenahr-Ahrweiler to Calderara di Reno | 456.01 mi (733.88 km) |
| Bad Neuenahr-Ahrweiler to Caldogno | 396.87 mi (638.69 km) |
| Bad Neuenahr-Ahrweiler to Calenzano | 498.90 mi (802.90 km) |
| Bad Neuenahr-Ahrweiler to Calolziocorte | 344.77 mi (554.85 km) |
| Bad Neuenahr-Ahrweiler to Caltagirone | 989.29 mi (1,592.11 km) |
