| Buchs to Cocentaina | 766.59 mi (1,233.71 km) |
| Buchs to Coin | 1,026.76 mi (1,652.41 km) |
| Buchs to Colindres | 678.71 mi (1,092.28 km) |
| Buchs to Collado-Villalba | 806.83 mi (1,298.47 km) |
| Buchs to Colmenar Viejo | 795.80 mi (1,280.72 km) |
| Buchs to Colmenarejo | 810.31 mi (1,304.07 km) |
| Buchs to Conil de la Frontera | 1,096.37 mi (1,764.44 km) |
| Buchs to Consuegra | 843.83 mi (1,358.02 km) |
| Buchs to Corbera de Llobregat | 544.21 mi (875.82 km) |
| Buchs to Cordoba | 965.53 mi (1,553.87 km) |
| Buchs to Coria del Rio | 1,043.75 mi (1,679.76 km) |
| Buchs to Crevillente | 805.96 mi (1,297.06 km) |
| Buchs to Cuarte de Huerva | 640.80 mi (1,031.27 km) |
| Buchs to Cubellas | 563.77 mi (907.29 km) |
| Buchs to Cuellar | 787.85 mi (1,267.92 km) |
