| Boppard to Carovigno | 818.24 mi (1,316.83 km) |
| Boppard to Carpenedolo | 361.08 mi (581.10 km) |
| Boppard to Carpi | 406.48 mi (654.17 km) |
| Boppard to Carrara | 441.05 mi (709.81 km) |
| Boppard to Carugate | 333.35 mi (536.48 km) |
| Boppard to Casal di Principe | 710.18 mi (1,142.92 km) |
| Boppard to Casale Monferrato | 354.48 mi (570.48 km) |
| Boppard to Casale sul Sile | 387.93 mi (624.32 km) |
| Boppard to Casalecchio di Reno | 432.99 mi (696.83 km) |
| Boppard to Casalgrande | 416.90 mi (670.93 km) |
| Boppard to Casalmaggiore | 385.49 mi (620.39 km) |
| Boppard to Casalnuovo di Napoli | 721.13 mi (1,160.55 km) |
| Boppard to Casalpusterlengo | 362.02 mi (582.62 km) |
| Boppard to Casaluce | 712.66 mi (1,146.91 km) |
| Boppard to Casamassima | 782.62 mi (1,259.51 km) |
