| Altena to Carovigno | 873.89 mi (1,406.39 km) |
| Altena to Carpenedolo | 429.19 mi (690.71 km) |
| Altena to Carpi | 474.02 mi (762.87 km) |
| Altena to Carrara | 511.51 mi (823.19 km) |
| Altena to Carugate | 404.54 mi (651.04 km) |
| Altena to Casal di Principe | 774.24 mi (1,246.02 km) |
| Altena to Casale Monferrato | 427.56 mi (688.10 km) |
| Altena to Casale sul Sile | 447.93 mi (720.88 km) |
| Altena to Casalecchio di Reno | 499.74 mi (804.26 km) |
| Altena to Casalgrande | 485.19 mi (780.83 km) |
| Altena to Casalmaggiore | 454.21 mi (730.97 km) |
| Altena to Casalnuovo di Napoli | 784.81 mi (1,263.03 km) |
| Altena to Casalpusterlengo | 432.69 mi (696.35 km) |
| Altena to Casaluce | 776.58 mi (1,249.79 km) |
| Altena to Casamassima | 839.71 mi (1,351.38 km) |
