| Olton to Cassina de' Pecchi | 695.25 mi (1,118.90 km) |
| Olton to Cassino | 1,051.51 mi (1,692.24 km) |
| Olton to Castagneto Carducci | 858.91 mi (1,382.28 km) |
| Olton to Castano Primo | 674.14 mi (1,084.92 km) |
| Olton to Castel Bolognese | 837.00 mi (1,347.03 km) |
| Olton to Castel Gandolfo | 1,000.41 mi (1,610.00 km) |
| Olton to Castel Goffredo | 743.11 mi (1,195.92 km) |
| Olton to Castel Maggiore | 809.79 mi (1,303.22 km) |
| Olton to Castel Mella | 722.12 mi (1,162.14 km) |
| Olton to Castel San Giorgio | 1,118.34 mi (1,799.80 km) |
| Olton to Castel San Giovanni | 721.47 mi (1,161.09 km) |
| Olton to Castel San Pietro Terme | 825.49 mi (1,328.50 km) |
| Olton to Castel Volturno | 1,078.59 mi (1,735.82 km) |
| Olton to Castelbuono | 1,260.70 mi (2,028.90 km) |
| Olton to Casteldaccia | 1,237.53 mi (1,991.61 km) |
