| Rhymney to Carmona | 994.11 mi (1,599.86 km) |
| Rhymney to Cartagena | 984.67 mi (1,584.68 km) |
| Rhymney to Cartama | 1,041.78 mi (1,676.58 km) |
| Rhymney to Cartaya | 1,017.78 mi (1,637.96 km) |
| Rhymney to Caspe | 743.30 mi (1,196.23 km) |
| Rhymney to Cassa de la Selva | 740.81 mi (1,192.21 km) |
| Rhymney to Castalla | 918.13 mi (1,477.58 km) |
| Rhymney to Castellbisbal | 752.60 mi (1,211.19 km) |
| Rhymney to Castelldefels | 765.49 mi (1,231.93 km) |
| Rhymney to Castello de Ampurias | 720.88 mi (1,160.15 km) |
| Rhymney to Castellon de la Plana | 828.30 mi (1,333.02 km) |
| Rhymney to Castilleja de la Cuesta | 1,002.37 mi (1,613.15 km) |
| Rhymney to Catarroja | 864.82 mi (1,391.80 km) |
| Rhymney to Catral | 947.27 mi (1,524.49 km) |
| Rhymney to Caudete | 908.75 mi (1,462.49 km) |
