| Regensburg to Cartagena | 1,023.52 mi (1,647.20 km) |
| Regensburg to Cartama | 1,194.61 mi (1,922.53 km) |
| Regensburg to Cartaya | 1,257.41 mi (2,023.60 km) |
| Regensburg to Caspe | 797.05 mi (1,282.73 km) |
| Regensburg to Cassa de la Selva | 663.68 mi (1,068.09 km) |
| Regensburg to Castalla | 958.01 mi (1,541.76 km) |
| Regensburg to Castellbisbal | 714.93 mi (1,150.57 km) |
| Regensburg to Castelldefels | 725.60 mi (1,167.74 km) |
| Regensburg to Castello de Ampurias | 637.46 mi (1,025.89 km) |
| Regensburg to Castellon de la Plana | 861.73 mi (1,386.82 km) |
| Regensburg to Castilleja de la Cuesta | 1,210.98 mi (1,948.89 km) |
| Regensburg to Catarroja | 905.29 mi (1,456.92 km) |
| Regensburg to Catral | 986.56 mi (1,587.71 km) |
| Regensburg to Caudete | 962.56 mi (1,549.09 km) |
| Regensburg to Cehegin | 1,022.91 mi (1,646.21 km) |
