| Olean to Castrovillari | 4,661.97 mi (7,502.72 km) |
| Olean to Catania | 4,710.27 mi (7,580.45 km) |
| Olean to Catanzaro | 4,717.17 mi (7,591.56 km) |
| Olean to Cattolica | 4,351.02 mi (7,002.28 km) |
| Olean to Cava de' Tirreni | 4,562.10 mi (7,342.00 km) |
| Olean to Cavallino | 4,725.39 mi (7,604.78 km) |
| Olean to Cavarzere | 4,279.92 mi (6,887.86 km) |
| Olean to Cave | 4,442.65 mi (7,149.76 km) |
| Olean to Cavriago | 4,232.21 mi (6,811.08 km) |
| Olean to Cavriglia | 4,316.02 mi (6,945.96 km) |
| Olean to Cazzago San Martino | 4,179.05 mi (6,725.54 km) |
| Olean to Ceccano | 4,469.45 mi (7,192.89 km) |
| Olean to Cecina | 4,282.85 mi (6,892.59 km) |
| Olean to Cefalu | 4,641.24 mi (7,469.36 km) |
| Olean to Ceglie Messapico | 4,682.17 mi (7,535.23 km) |
