| Mainz to Catania | 926.37 mi (1,490.84 km) |
| Mainz to Catanzaro | 867.88 mi (1,396.71 km) |
| Mainz to Cattolica | 465.79 mi (749.61 km) |
| Mainz to Cava de' Tirreni | 712.81 mi (1,147.16 km) |
| Mainz to Cavallino | 823.31 mi (1,324.99 km) |
| Mainz to Cavarzere | 379.04 mi (610.00 km) |
| Mainz to Cave | 606.93 mi (976.76 km) |
| Mainz to Cavriago | 380.10 mi (611.72 km) |
| Mainz to Cavriglia | 471.92 mi (759.48 km) |
| Mainz to Cazzago San Martino | 314.87 mi (506.74 km) |
| Mainz to Ceccano | 630.34 mi (1,014.43 km) |
| Mainz to Cecina | 472.76 mi (760.83 km) |
| Mainz to Cefalu | 873.05 mi (1,405.03 km) |
| Mainz to Ceglie Messapico | 784.26 mi (1,262.15 km) |
| Mainz to Celano | 601.38 mi (967.82 km) |
