| Tortona to Castelletto sopra Ticino | 57.94 mi (93.24 km) |
| Tortona to Castelli Calepio | 71.68 mi (115.36 km) |
| Tortona to Castelnovo ne' Monti | 81.85 mi (131.73 km) |
| Tortona to Castelnuovo Berardenga | 168.96 mi (271.91 km) |
| Tortona to Castelnuovo di Porto | 263.67 mi (424.34 km) |
| Tortona to Castelnuovo di Verona | 99.82 mi (160.65 km) |
| Tortona to Castelnuovo Rangone | 104.25 mi (167.78 km) |
| Tortona to Castelvetrano | 538.16 mi (866.08 km) |
| Tortona to Castelvetro di Modena | 105.93 mi (170.48 km) |
| Tortona to Castenaso | 130.65 mi (210.27 km) |
| Tortona to Castenedolo | 80.26 mi (129.17 km) |
| Tortona to Castiglion Fiorentino | 185.48 mi (298.50 km) |
| Tortona to Castiglione del Lago | 199.26 mi (320.68 km) |
| Tortona to Castiglione delle Stiviere | 86.97 mi (139.97 km) |
| Tortona to Castrolibero | 537.95 mi (865.75 km) |
