| Mainz to Cassino | 644.23 mi (1,036.79 km) |
| Mainz to Castagneto Carducci | 483.78 mi (778.56 km) |
| Mainz to Castano Primo | 307.19 mi (494.37 km) |
| Mainz to Castel Bolognese | 425.15 mi (684.21 km) |
| Mainz to Castel Gandolfo | 606.66 mi (976.32 km) |
| Mainz to Castel Goffredo | 339.61 mi (546.54 km) |
| Mainz to Castel Maggiore | 401.38 mi (645.96 km) |
| Mainz to Castel Mella | 321.86 mi (517.98 km) |
| Mainz to Castel San Giorgio | 707.55 mi (1,138.68 km) |
| Mainz to Castel San Giovanni | 345.17 mi (555.49 km) |
| Mainz to Castel San Pietro Terme | 415.90 mi (669.33 km) |
| Mainz to Castel Volturno | 674.64 mi (1,085.73 km) |
| Mainz to Castelbuono | 880.99 mi (1,417.81 km) |
| Mainz to Casteldaccia | 864.48 mi (1,391.25 km) |
| Mainz to Castelfidardo | 514.87 mi (828.61 km) |
