| Senec to Cartagena | 1,179.51 mi (1,898.24 km) |
| Senec to Cartama | 1,367.83 mi (2,201.31 km) |
| Senec to Cartaya | 1,447.23 mi (2,329.09 km) |
| Senec to Caspe | 979.25 mi (1,575.95 km) |
| Senec to Cassa de la Selva | 830.98 mi (1,337.33 km) |
| Senec to Castalla | 1,119.99 mi (1,802.44 km) |
| Senec to Castellbisbal | 884.91 mi (1,424.13 km) |
| Senec to Castelldefels | 893.37 mi (1,437.75 km) |
| Senec to Castello de Ampurias | 807.65 mi (1,299.79 km) |
| Senec to Castellon de la Plana | 1,031.62 mi (1,660.23 km) |
| Senec to Castilleja de la Cuesta | 1,396.23 mi (2,247.02 km) |
| Senec to Catarroja | 1,072.46 mi (1,725.95 km) |
| Senec to Catral | 1,145.82 mi (1,844.02 km) |
| Senec to Caudete | 1,127.76 mi (1,814.95 km) |
| Senec to Cehegin | 1,188.67 mi (1,912.98 km) |
