| San Martino Buon Albergo to Cartagena | 824.50 mi (1,326.91 km) |
| San Martino Buon Albergo to Cartama | 1,013.54 mi (1,631.13 km) |
| San Martino Buon Albergo to Cartaya | 1,097.04 mi (1,765.51 km) |
| San Martino Buon Albergo to Caspe | 629.07 mi (1,012.38 km) |
| San Martino Buon Albergo to Cassa de la Selva | 477.66 mi (768.72 km) |
| San Martino Buon Albergo to Castalla | 764.98 mi (1,231.12 km) |
| San Martino Buon Albergo to Castellbisbal | 531.78 mi (855.81 km) |
| San Martino Buon Albergo to Castelldefels | 539.70 mi (868.56 km) |
| San Martino Buon Albergo to Castello de Ampurias | 455.32 mi (732.77 km) |
| San Martino Buon Albergo to Castellon de la Plana | 677.65 mi (1,090.57 km) |
| San Martino Buon Albergo to Castilleja de la Cuesta | 1,044.62 mi (1,681.15 km) |
| San Martino Buon Albergo to Catarroja | 717.96 mi (1,155.44 km) |
| San Martino Buon Albergo to Catral | 790.74 mi (1,272.57 km) |
| San Martino Buon Albergo to Caudete | 772.94 mi (1,243.93 km) |
| San Martino Buon Albergo to Cehegin | 833.82 mi (1,341.90 km) |
