| Olton to Casamassima | 1,184.05 mi (1,905.54 km) |
| Olton to Casandrino | 1,095.64 mi (1,763.27 km) |
| Olton to Casapulla | 1,089.48 mi (1,753.35 km) |
| Olton to Casarano | 1,275.86 mi (2,053.29 km) |
| Olton to Casatenovo | 684.24 mi (1,101.18 km) |
| Olton to Casciana Terme | 839.83 mi (1,351.57 km) |
| Olton to Cascina | 829.29 mi (1,334.62 km) |
| Olton to Caselle Torinese | 659.68 mi (1,061.65 km) |
| Olton to Caserta | 1,091.10 mi (1,755.96 km) |
| Olton to Casier | 790.26 mi (1,271.80 km) |
| Olton to Casorate Primo | 694.25 mi (1,117.29 km) |
| Olton to Casoria | 1,099.07 mi (1,768.77 km) |
| Olton to Cassano al Ionio | 1,225.45 mi (1,972.16 km) |
| Olton to Cassano d'Adda | 699.34 mi (1,125.47 km) |
| Olton to Cassano delle Murge | 1,182.32 mi (1,902.76 km) |
