| Senec to Coin | 1,374.80 mi (2,212.52 km) |
| Senec to Colindres | 1,054.04 mi (1,696.31 km) |
| Senec to Collado-Villalba | 1,173.81 mi (1,889.07 km) |
| Senec to Colmenar Viejo | 1,162.25 mi (1,870.47 km) |
| Senec to Colmenarejo | 1,176.97 mi (1,894.15 km) |
| Senec to Conil de la Frontera | 1,448.22 mi (2,330.68 km) |
| Senec to Consuegra | 1,203.33 mi (1,936.57 km) |
| Senec to Corbera de Llobregat | 889.50 mi (1,431.51 km) |
| Senec to Cordoba | 1,320.67 mi (2,125.42 km) |
| Senec to Coria del Rio | 1,400.67 mi (2,254.16 km) |
| Senec to Crevillente | 1,141.77 mi (1,837.50 km) |
| Senec to Cuarte de Huerva | 1,003.38 mi (1,614.78 km) |
| Senec to Cubellas | 908.80 mi (1,462.58 km) |
| Senec to Cuellar | 1,158.74 mi (1,864.82 km) |
| Senec to Cuenca | 1,116.39 mi (1,796.65 km) |
