| Olean to Chivasso | 4,104.09 mi (6,604.90 km) |
| Olean to Ciampino | 4,429.16 mi (7,128.04 km) |
| Olean to Cicciano | 4,544.27 mi (7,313.30 km) |
| Olean to Cingoli | 4,394.17 mi (7,071.73 km) |
| Olean to Cinisello Balsamo | 4,146.75 mi (6,673.56 km) |
| Olean to Cinisi | 4,595.59 mi (7,395.88 km) |
| Olean to Cirie | 4,090.51 mi (6,583.04 km) |
| Olean to Ciro Marina | 4,720.02 mi (7,596.14 km) |
| Olean to Cislago | 4,132.84 mi (6,651.16 km) |
| Olean to Cisterna di Latina | 4,447.05 mi (7,156.84 km) |
| Olean to Cisternino | 4,675.91 mi (7,525.16 km) |
| Olean to Citta di Castello | 4,349.99 mi (7,000.63 km) |
| Olean to Citta Sant'Angelo | 4,462.14 mi (7,181.13 km) |
| Olean to Cittadella | 4,248.64 mi (6,837.52 km) |
| Olean to Cittanova | 4,717.96 mi (7,592.83 km) |
