| Modra to Cartagena | 1,180.09 mi (1,899.17 km) |
| Modra to Cartama | 1,367.74 mi (2,201.17 km) |
| Modra to Cartaya | 1,446.36 mi (2,327.70 km) |
| Modra to Caspe | 978.50 mi (1,574.74 km) |
| Modra to Cassa de la Selva | 830.75 mi (1,336.96 km) |
| Modra to Castalla | 1,120.26 mi (1,802.89 km) |
| Modra to Castellbisbal | 884.63 mi (1,423.67 km) |
| Modra to Castelldefels | 893.20 mi (1,437.46 km) |
| Modra to Castello de Ampurias | 807.26 mi (1,299.16 km) |
| Modra to Castellon de la Plana | 1,031.48 mi (1,660.01 km) |
| Modra to Castilleja de la Cuesta | 1,395.58 mi (2,245.97 km) |
| Modra to Catarroja | 1,072.47 mi (1,725.98 km) |
| Modra to Catral | 1,146.23 mi (1,844.68 km) |
| Modra to Caudete | 1,127.90 mi (1,815.18 km) |
| Modra to Cehegin | 1,188.82 mi (1,913.23 km) |
