| Mainz to Calafell | 687.17 mi (1,105.89 km) |
| Mainz to Calahorra | 721.08 mi (1,160.47 km) |
| Mainz to Calasparra | 948.85 mi (1,527.02 km) |
| Mainz to Calatayud | 763.04 mi (1,228.00 km) |
| Mainz to Caldas de Montbuy | 646.91 mi (1,041.11 km) |
| Mainz to Caldas de Reyes | 951.35 mi (1,531.05 km) |
| Mainz to Calella | 637.51 mi (1,025.97 km) |
| Mainz to Callosa de Segura | 935.33 mi (1,505.27 km) |
| Mainz to Calpe | 881.33 mi (1,418.36 km) |
| Mainz to Calvia | 772.69 mi (1,243.52 km) |
| Mainz to Camas | 1,121.19 mi (1,804.38 km) |
| Mainz to Cambados | 962.21 mi (1,548.53 km) |
| Mainz to Cambre | 910.60 mi (1,465.46 km) |
| Mainz to Cambrils | 707.28 mi (1,138.26 km) |
| Mainz to Campo de Criptana | 918.33 mi (1,477.90 km) |
