| Olton to Corato | 1,155.86 mi (1,860.17 km) |
| Olton to Corbetta | 683.25 mi (1,099.59 km) |
| Olton to Corciano | 914.08 mi (1,471.07 km) |
| Olton to Cordenons | 789.93 mi (1,271.27 km) |
| Olton to Cori | 1,014.22 mi (1,632.23 km) |
| Olton to Coriano | 881.79 mi (1,419.11 km) |
| Olton to Corigliano Calabro | 1,241.98 mi (1,998.77 km) |
| Olton to Corleone | 1,244.71 mi (2,003.17 km) |
| Olton to Cormano | 687.03 mi (1,105.66 km) |
| Olton to Cornaredo | 685.28 mi (1,102.85 km) |
| Olton to Cornate d'Adda | 691.80 mi (1,113.34 km) |
| Olton to Cornedo Vicentino | 757.87 mi (1,219.67 km) |
| Olton to Correggio | 779.92 mi (1,255.16 km) |
| Olton to Corridonia | 949.29 mi (1,527.73 km) |
| Olton to Corsico | 691.41 mi (1,112.71 km) |
