| Olton to Chivasso | 666.07 mi (1,071.94 km) |
| Olton to Ciampino | 995.87 mi (1,602.70 km) |
| Olton to Cicciano | 1,103.00 mi (1,775.11 km) |
| Olton to Cingoli | 933.14 mi (1,501.74 km) |
| Olton to Cinisello Balsamo | 688.65 mi (1,108.28 km) |
| Olton to Cinisi | 1,218.37 mi (1,960.78 km) |
| Olton to Cirie | 655.14 mi (1,054.35 km) |
| Olton to Ciro Marina | 1,274.74 mi (2,051.50 km) |
| Olton to Cislago | 675.41 mi (1,086.98 km) |
| Olton to Cisterna di Latina | 1,014.51 mi (1,632.69 km) |
| Olton to Cisternino | 1,213.19 mi (1,952.44 km) |
| Olton to Citta di Castello | 895.67 mi (1,441.44 km) |
| Olton to Citta Sant'Angelo | 1,004.98 mi (1,617.35 km) |
| Olton to Cittadella | 771.68 mi (1,241.90 km) |
| Olton to Cittanova | 1,296.98 mi (2,087.28 km) |
