| Altena to Corbetta | 407.09 mi (655.14 km) |
| Altena to Corciano | 604.12 mi (972.24 km) |
| Altena to Cordenons | 433.07 mi (696.95 km) |
| Altena to Cori | 711.84 mi (1,145.60 km) |
| Altena to Coriano | 556.00 mi (894.80 km) |
| Altena to Corigliano Calabro | 913.62 mi (1,470.33 km) |
| Altena to Corleone | 971.28 mi (1,563.12 km) |
| Altena to Cormano | 403.17 mi (648.84 km) |
| Altena to Cornaredo | 405.59 mi (652.74 km) |
| Altena to Cornate d'Adda | 398.96 mi (642.06 km) |
| Altena to Cornedo Vicentino | 427.27 mi (687.63 km) |
| Altena to Correggio | 473.45 mi (761.94 km) |
| Altena to Corridonia | 619.65 mi (997.24 km) |
| Altena to Corsico | 410.76 mi (661.05 km) |
| Altena to Cortona | 590.00 mi (949.51 km) |
