| Olkusz to Cognac | 969.47 mi (1,560.22 km) |
| Olkusz to Cogolin | 783.23 mi (1,260.49 km) |
| Olkusz to Colmar | 571.24 mi (919.33 km) |
| Olkusz to Colombes | 779.10 mi (1,253.84 km) |
| Olkusz to Colomiers | 971.81 mi (1,563.98 km) |
| Olkusz to Combs-la-Ville | 769.78 mi (1,238.84 km) |
| Olkusz to Comines | 726.57 mi (1,169.31 km) |
| Olkusz to Compiegne | 746.70 mi (1,201.71 km) |
| Olkusz to Concarneau | 1,071.15 mi (1,723.85 km) |
| Olkusz to Conde-sur-l'Escaut | 702.79 mi (1,131.04 km) |
| Olkusz to Conflans-Sainte-Honorine | 784.70 mi (1,262.85 km) |
| Olkusz to Corbas | 747.70 mi (1,203.31 km) |
| Olkusz to Corbeil-Essonnes | 774.21 mi (1,245.98 km) |
| Olkusz to Cormeilles-en-Parisis | 780.54 mi (1,256.16 km) |
| Olkusz to Cosne sur Loire | 780.34 mi (1,255.84 km) |
