| Merchweiler to Cartagena | 905.85 mi (1,457.82 km) |
| Merchweiler to Cartama | 1,051.98 mi (1,693.01 km) |
| Merchweiler to Cartaya | 1,094.67 mi (1,761.71 km) |
| Merchweiler to Caspe | 658.24 mi (1,059.33 km) |
| Merchweiler to Cassa de la Selva | 554.18 mi (891.87 km) |
| Merchweiler to Castalla | 836.10 mi (1,345.57 km) |
| Merchweiler to Castellbisbal | 597.44 mi (961.49 km) |
| Merchweiler to Castelldefels | 610.12 mi (981.90 km) |
| Merchweiler to Castello de Ampurias | 526.72 mi (847.67 km) |
| Merchweiler to Castellon de la Plana | 734.92 mi (1,182.73 km) |
| Merchweiler to Castilleja de la Cuesta | 1,054.35 mi (1,696.81 km) |
| Merchweiler to Catarroja | 779.60 mi (1,254.65 km) |
| Merchweiler to Catral | 866.61 mi (1,394.67 km) |
| Merchweiler to Caudete | 836.67 mi (1,346.48 km) |
| Merchweiler to Cehegin | 893.98 mi (1,438.73 km) |
