| Merzig to Cartagena | 901.80 mi (1,451.31 km) |
| Merzig to Cartama | 1,044.76 mi (1,681.38 km) |
| Merzig to Cartaya | 1,084.95 mi (1,746.06 km) |
| Merzig to Caspe | 652.54 mi (1,050.17 km) |
| Merzig to Cassa de la Selva | 552.58 mi (889.29 km) |
| Merzig to Castalla | 831.77 mi (1,338.61 km) |
| Merzig to Castellbisbal | 594.63 mi (956.96 km) |
| Merzig to Castelldefels | 607.47 mi (977.63 km) |
| Merzig to Castello de Ampurias | 525.17 mi (845.18 km) |
| Merzig to Castellon de la Plana | 730.36 mi (1,175.40 km) |
| Merzig to Castilleja de la Cuesta | 1,045.43 mi (1,682.46 km) |
| Merzig to Catarroja | 775.02 mi (1,247.28 km) |
| Merzig to Catral | 862.42 mi (1,387.93 km) |
| Merzig to Caudete | 831.88 mi (1,338.78 km) |
| Merzig to Cehegin | 888.69 mi (1,430.21 km) |
