| Mainz to Castelfiorentino | 459.08 mi (738.82 km) |
| Mainz to Castelfranco di Sopra | 466.05 mi (750.04 km) |
| Mainz to Castelfranco di Sotto | 449.65 mi (723.64 km) |
| Mainz to Castelfranco Emilia | 394.34 mi (634.63 km) |
| Mainz to Castelfranco Veneto | 343.24 mi (552.39 km) |
| Mainz to Castellabate | 744.79 mi (1,198.63 km) |
| Mainz to Castellammare del Golfo | 856.94 mi (1,379.11 km) |
| Mainz to Castellammare di Stabia | 708.58 mi (1,140.35 km) |
| Mainz to Castellamonte | 318.96 mi (513.32 km) |
| Mainz to Castellana Grotte | 761.41 mi (1,225.37 km) |
| Mainz to Castellaneta | 770.02 mi (1,239.22 km) |
| Mainz to Castellanza | 303.13 mi (487.84 km) |
| Mainz to Castellarano | 392.34 mi (631.42 km) |
| Mainz to Castelleone | 331.24 mi (533.08 km) |
| Mainz to Castelletto sopra Ticino | 295.28 mi (475.21 km) |
