| Alton to Cassina de' Pecchi | 613.19 mi (986.84 km) |
| Alton to Cassino | 968.17 mi (1,558.13 km) |
| Alton to Castagneto Carducci | 772.90 mi (1,243.87 km) |
| Alton to Castano Primo | 590.62 mi (950.52 km) |
| Alton to Castel Bolognese | 756.77 mi (1,217.91 km) |
| Alton to Castel Gandolfo | 915.37 mi (1,473.15 km) |
| Alton to Castel Goffredo | 663.09 mi (1,067.14 km) |
| Alton to Castel Maggiore | 729.36 mi (1,173.79 km) |
| Alton to Castel Mella | 642.04 mi (1,033.26 km) |
| Alton to Castel San Giorgio | 1,035.14 mi (1,665.89 km) |
| Alton to Castel San Giovanni | 637.95 mi (1,026.69 km) |
| Alton to Castel San Pietro Terme | 745.03 mi (1,199.01 km) |
| Alton to Castel Volturno | 994.50 mi (1,600.49 km) |
| Alton to Castelbuono | 1,172.18 mi (1,886.44 km) |
| Alton to Casteldaccia | 1,148.36 mi (1,848.11 km) |
