| Unterwellenborn to Cartagena | 1,089.35 mi (1,753.13 km) |
| Unterwellenborn to Cartama | 1,248.83 mi (2,009.80 km) |
| Unterwellenborn to Cartaya | 1,300.13 mi (2,092.36 km) |
| Unterwellenborn to Caspe | 851.25 mi (1,369.95 km) |
| Unterwellenborn to Cassa de la Selva | 730.05 mi (1,174.91 km) |
| Unterwellenborn to Castalla | 1,021.52 mi (1,643.98 km) |
| Unterwellenborn to Castellbisbal | 778.46 mi (1,252.82 km) |
| Unterwellenborn to Castelldefels | 790.14 mi (1,271.61 km) |
| Unterwellenborn to Castello de Ampurias | 702.93 mi (1,131.25 km) |
| Unterwellenborn to Castellon de la Plana | 922.31 mi (1,484.31 km) |
| Unterwellenborn to Castilleja de la Cuesta | 1,257.33 mi (2,023.47 km) |
| Unterwellenborn to Catarroja | 966.70 mi (1,555.76 km) |
| Unterwellenborn to Catral | 1,051.14 mi (1,691.65 km) |
| Unterwellenborn to Caudete | 1,024.23 mi (1,648.33 km) |
| Unterwellenborn to Cehegin | 1,083.44 mi (1,743.63 km) |
