| Olean to Busto Arsizio | 4,129.42 mi (6,645.67 km) |
| Olean to Busto Garolfo | 4,133.15 mi (6,651.66 km) |
| Olean to Cabras | 4,324.70 mi (6,959.93 km) |
| Olean to Cadelbosco di Sopra | 4,232.52 mi (6,811.59 km) |
| Olean to Cadoneghe | 4,262.18 mi (6,859.31 km) |
| Olean to Cagli | 4,363.51 mi (7,022.40 km) |
| Olean to Cagliari | 4,377.33 mi (7,044.64 km) |
| Olean to Cairo Montenotte | 4,148.14 mi (6,675.78 km) |
| Olean to Caivano | 4,535.04 mi (7,298.44 km) |
| Olean to Calcinaia | 4,273.37 mi (6,877.32 km) |
| Olean to Calcinato | 4,199.56 mi (6,758.54 km) |
| Olean to Calderara di Reno | 4,267.59 mi (6,868.02 km) |
| Olean to Caldogno | 4,238.68 mi (6,821.50 km) |
| Olean to Calenzano | 4,289.58 mi (6,903.41 km) |
| Olean to Calolziocorte | 4,146.78 mi (6,673.60 km) |
