| Buchs to Carmona | 1,018.72 mi (1,639.47 km) |
| Buchs to Cartagena | 847.70 mi (1,364.25 km) |
| Buchs to Cartama | 1,020.11 mi (1,641.71 km) |
| Buchs to Cartaya | 1,086.56 mi (1,748.64 km) |
| Buchs to Caspe | 623.29 mi (1,003.10 km) |
| Buchs to Cassa de la Selva | 487.91 mi (785.22 km) |
| Buchs to Castalla | 782.28 mi (1,258.96 km) |
| Buchs to Castellbisbal | 539.36 mi (868.01 km) |
| Buchs to Castelldefels | 549.92 mi (885.00 km) |
| Buchs to Castello de Ampurias | 461.77 mi (743.15 km) |
| Buchs to Castellon de la Plana | 686.39 mi (1,104.63 km) |
| Buchs to Castilleja de la Cuesta | 1,038.82 mi (1,671.81 km) |
| Buchs to Catarroja | 729.79 mi (1,174.48 km) |
| Buchs to Catral | 810.77 mi (1,304.81 km) |
| Buchs to Caudete | 786.99 mi (1,266.54 km) |
