| Alton to Castelletto sopra Ticino | 577.98 mi (930.16 km) |
| Alton to Castelli Calepio | 626.88 mi (1,008.86 km) |
| Alton to Castelnovo ne' Monti | 701.61 mi (1,129.14 km) |
| Alton to Castelnuovo Berardenga | 793.84 mi (1,277.57 km) |
| Alton to Castelnuovo di Porto | 890.01 mi (1,432.34 km) |
| Alton to Castelnuovo di Verona | 667.63 mi (1,074.44 km) |
| Alton to Castelnuovo Rangone | 714.65 mi (1,150.12 km) |
| Alton to Castelvetrano | 1,148.12 mi (1,847.72 km) |
| Alton to Castelvetro di Modena | 717.64 mi (1,154.93 km) |
| Alton to Castenaso | 735.79 mi (1,184.14 km) |
| Alton to Castenedolo | 648.72 mi (1,044.02 km) |
| Alton to Castiglion Fiorentino | 808.30 mi (1,300.83 km) |
| Alton to Castiglione del Lago | 823.06 mi (1,324.58 km) |
| Alton to Castiglione delle Stiviere | 659.34 mi (1,061.11 km) |
| Alton to Castrolibero | 1,163.72 mi (1,872.83 km) |
