| Olkusz to Castrovillari | 741.25 mi (1,192.93 km) |
| Olkusz to Catania | 910.34 mi (1,465.05 km) |
| Olkusz to Catanzaro | 799.62 mi (1,286.86 km) |
| Olkusz to Cattolica | 541.27 mi (871.09 km) |
| Olkusz to Cava de' Tirreni | 702.30 mi (1,130.24 km) |
| Olkusz to Cavallino | 691.64 mi (1,113.09 km) |
| Olkusz to Cavarzere | 496.90 mi (799.69 km) |
| Olkusz to Cave | 665.09 mi (1,070.36 km) |
| Olkusz to Cavriago | 570.67 mi (918.41 km) |
| Olkusz to Cavriglia | 602.62 mi (969.82 km) |
| Olkusz to Cazzago San Martino | 547.44 mi (881.02 km) |
| Olkusz to Ceccano | 671.92 mi (1,081.36 km) |
| Olkusz to Cecina | 643.06 mi (1,034.90 km) |
| Olkusz to Cefalu | 889.19 mi (1,431.01 km) |
| Olkusz to Ceglie Messapico | 672.87 mi (1,082.88 km) |
