| Boppard to Civita Castellana | 594.32 mi (956.47 km) |
| Boppard to Civitanova Marche | 559.80 mi (900.91 km) |
| Boppard to Civitavecchia | 596.59 mi (960.12 km) |
| Boppard to Civitella in Val di Chiana | 509.45 mi (819.88 km) |
| Boppard to Clusone | 319.53 mi (514.23 km) |
| Boppard to Coccaglio | 340.92 mi (548.66 km) |
| Boppard to Codigoro | 428.39 mi (689.43 km) |
| Boppard to Codogno | 363.89 mi (585.63 km) |
| Boppard to Codroipo | 385.57 mi (620.51 km) |
| Boppard to Cogoleto | 406.65 mi (654.44 km) |
| Boppard to Colle di Val d'Elsa | 500.69 mi (805.79 km) |
| Boppard to Colle Salvetti | 477.99 mi (769.25 km) |
| Boppard to Collecchio | 398.01 mi (640.53 km) |
| Boppard to Colleferro | 641.93 mi (1,033.08 km) |
| Boppard to Collegno | 356.10 mi (573.09 km) |
