| Someren to Cartagena | 1,006.89 mi (1,620.43 km) |
| Someren to Cartama | 1,133.95 mi (1,824.92 km) |
| Someren to Cartaya | 1,159.62 mi (1,866.22 km) |
| Someren to Caspe | 752.50 mi (1,211.03 km) |
| Someren to Cassa de la Selva | 669.55 mi (1,077.54 km) |
| Someren to Castalla | 936.09 mi (1,506.49 km) |
| Someren to Castellbisbal | 706.96 mi (1,137.74 km) |
| Someren to Castelldefels | 720.26 mi (1,159.15 km) |
| Someren to Castello de Ampurias | 642.62 mi (1,034.20 km) |
| Someren to Castellon de la Plana | 834.49 mi (1,342.99 km) |
| Someren to Castilleja de la Cuesta | 1,125.24 mi (1,810.90 km) |
| Someren to Catarroja | 878.67 mi (1,414.08 km) |
| Someren to Catral | 967.11 mi (1,556.41 km) |
| Someren to Caudete | 934.21 mi (1,503.46 km) |
| Someren to Cehegin | 988.35 mi (1,590.59 km) |
