| Mainz to Corbetta | 313.52 mi (504.57 km) |
| Mainz to Corciano | 510.12 mi (820.96 km) |
| Mainz to Cordenons | 343.99 mi (553.59 km) |
| Mainz to Cori | 617.76 mi (994.19 km) |
| Mainz to Coriano | 462.99 mi (745.12 km) |
| Mainz to Corigliano Calabro | 822.44 mi (1,323.59 km) |
| Mainz to Corleone | 876.66 mi (1,410.85 km) |
| Mainz to Cormano | 309.14 mi (497.52 km) |
| Mainz to Cornaredo | 311.80 mi (501.80 km) |
| Mainz to Cornate d'Adda | 304.52 mi (490.08 km) |
| Mainz to Cornedo Vicentino | 333.85 mi (537.27 km) |
| Mainz to Correggio | 378.87 mi (609.73 km) |
| Mainz to Corridonia | 527.43 mi (848.81 km) |
| Mainz to Corsico | 316.84 mi (509.91 km) |
| Mainz to Cortona | 495.79 mi (797.90 km) |
