| Olton to Castelletto sopra Ticino | 661.24 mi (1,064.16 km) |
| Olton to Castelli Calepio | 707.09 mi (1,137.95 km) |
| Olton to Castelnovo ne' Monti | 784.74 mi (1,262.92 km) |
| Olton to Castelnuovo Berardenga | 877.53 mi (1,412.25 km) |
| Olton to Castelnuovo di Porto | 974.53 mi (1,568.36 km) |
| Olton to Castelnuovo di Verona | 746.39 mi (1,201.19 km) |
| Olton to Castelnuovo Rangone | 796.16 mi (1,281.29 km) |
| Olton to Castelvetrano | 1,238.63 mi (1,993.38 km) |
| Olton to Castelvetro di Modena | 799.27 mi (1,286.30 km) |
| Olton to Castenaso | 816.16 mi (1,313.48 km) |
| Olton to Castenedolo | 728.54 mi (1,172.48 km) |
| Olton to Castiglion Fiorentino | 891.11 mi (1,434.11 km) |
| Olton to Castiglione del Lago | 906.13 mi (1,458.28 km) |
| Olton to Castiglione delle Stiviere | 738.91 mi (1,189.16 km) |
| Olton to Castrolibero | 1,247.03 mi (2,006.91 km) |
