| Boppard to Cologno al Serio | 335.64 mi (540.17 km) |
| Boppard to Cologno Monzese | 334.18 mi (537.82 km) |
| Boppard to Colorno | 388.44 mi (625.13 km) |
| Boppard to Comacchio | 438.07 mi (705.00 km) |
| Boppard to Comiso | 981.32 mi (1,579.29 km) |
| Boppard to Como | 313.17 mi (504.00 km) |
| Boppard to Concordia Sagittaria | 392.58 mi (631.80 km) |
| Boppard to Concorezzo | 330.71 mi (532.23 km) |
| Boppard to Conegliano | 370.44 mi (596.17 km) |
| Boppard to Conselice | 441.76 mi (710.94 km) |
| Boppard to Conselve | 398.27 mi (640.95 km) |
| Boppard to Conversano | 787.19 mi (1,266.87 km) |
| Boppard to Copertino | 854.32 mi (1,374.89 km) |
| Boppard to Copparo | 417.94 mi (672.61 km) |
| Boppard to Corato | 756.78 mi (1,217.93 km) |
