| Olean to Corato | 4,615.47 mi (7,427.89 km) |
| Olean to Corbetta | 4,137.28 mi (6,658.31 km) |
| Olean to Corciano | 4,364.17 mi (7,023.46 km) |
| Olean to Cordenons | 4,273.47 mi (6,877.48 km) |
| Olean to Cori | 4,448.53 mi (7,159.22 km) |
| Olean to Coriano | 4,345.49 mi (6,993.39 km) |
| Olean to Corigliano Calabro | 4,684.43 mi (7,538.85 km) |
| Olean to Corleone | 4,618.64 mi (7,432.98 km) |
| Olean to Cormano | 4,144.68 mi (6,670.22 km) |
| Olean to Cornaredo | 4,140.93 mi (6,664.19 km) |
| Olean to Cornate d'Adda | 4,153.52 mi (6,684.45 km) |
| Olean to Cornedo Vicentino | 4,232.16 mi (6,811.01 km) |
| Olean to Correggio | 4,239.95 mi (6,823.54 km) |
| Olean to Corridonia | 4,411.17 mi (7,099.10 km) |
| Olean to Corsico | 4,146.78 mi (6,673.59 km) |
