| Altena to Castelfiorentino | 553.76 mi (891.19 km) |
| Altena to Castelfranco di Sopra | 560.47 mi (901.99 km) |
| Altena to Castelfranco di Sotto | 544.35 mi (876.04 km) |
| Altena to Castelfranco Emilia | 488.81 mi (786.66 km) |
| Altena to Castelfranco Veneto | 435.34 mi (700.61 km) |
| Altena to Castellabate | 837.50 mi (1,347.83 km) |
| Altena to Castellammare del Golfo | 951.62 mi (1,531.48 km) |
| Altena to Castellammare di Stabia | 801.58 mi (1,290.02 km) |
| Altena to Castellamonte | 408.90 mi (658.06 km) |
| Altena to Castellana Grotte | 850.03 mi (1,367.99 km) |
| Altena to Castellaneta | 859.41 mi (1,383.08 km) |
| Altena to Castellanza | 396.71 mi (638.44 km) |
| Altena to Castellarano | 486.97 mi (783.69 km) |
| Altena to Castelleone | 425.82 mi (685.30 km) |
| Altena to Castelletto sopra Ticino | 388.29 mi (624.89 km) |
