| Altena to Busto Garolfo | 401.34 mi (645.89 km) |
| Altena to Cabras | 786.46 mi (1,265.69 km) |
| Altena to Cadelbosco di Sopra | 471.21 mi (758.34 km) |
| Altena to Cadoneghe | 448.94 mi (722.50 km) |
| Altena to Cagli | 583.61 mi (939.23 km) |
| Altena to Cagliari | 837.02 mi (1,347.05 km) |
| Altena to Cairo Montenotte | 477.55 mi (768.54 km) |
| Altena to Caivano | 781.71 mi (1,258.04 km) |
| Altena to Calcinaia | 543.87 mi (875.27 km) |
| Altena to Calcinato | 422.80 mi (680.43 km) |
| Altena to Calderara di Reno | 494.02 mi (795.04 km) |
| Altena to Caldogno | 430.98 mi (693.60 km) |
| Altena to Calenzano | 538.71 mi (866.97 km) |
| Altena to Calolziocorte | 388.48 mi (625.19 km) |
| Altena to Caltagirone | 1,027.85 mi (1,654.17 km) |
