| Diedorf to Cartagena | 948.74 mi (1,526.85 km) |
| Diedorf to Cartama | 1,118.97 mi (1,800.81 km) |
| Diedorf to Cartaya | 1,181.92 mi (1,902.12 km) |
| Diedorf to Caspe | 721.38 mi (1,160.94 km) |
| Diedorf to Cassa de la Selva | 588.71 mi (947.44 km) |
| Diedorf to Castalla | 882.92 mi (1,420.92 km) |
| Diedorf to Castellbisbal | 639.70 mi (1,029.50 km) |
| Diedorf to Castelldefels | 650.48 mi (1,046.85 km) |
| Diedorf to Castello de Ampurias | 562.36 mi (905.03 km) |
| Diedorf to Castellon de la Plana | 786.34 mi (1,265.49 km) |
| Diedorf to Castilleja de la Cuesta | 1,135.35 mi (1,827.18 km) |
| Diedorf to Catarroja | 829.98 mi (1,335.72 km) |
| Diedorf to Catral | 911.61 mi (1,467.09 km) |
| Diedorf to Caudete | 887.30 mi (1,427.97 km) |
| Diedorf to Cehegin | 947.57 mi (1,524.97 km) |
