| Olkusz to Octeville | 940.69 mi (1,513.90 km) |
| Olkusz to Oignies | 728.81 mi (1,172.91 km) |
| Olkusz to Oissel | 824.09 mi (1,326.24 km) |
| Olkusz to Olivet | 814.74 mi (1,311.20 km) |
| Olkusz to Ollioules | 813.89 mi (1,309.83 km) |
| Olkusz to Olonne-sur-Mer | 1,008.41 mi (1,622.87 km) |
| Olkusz to Oloron-Sainte-Marie | 1,068.66 mi (1,719.83 km) |
| Olkusz to Onet Village | 890.97 mi (1,433.88 km) |
| Olkusz to Onnaing | 702.86 mi (1,131.15 km) |
| Olkusz to Orange | 810.12 mi (1,303.75 km) |
| Olkusz to Orchies | 717.81 mi (1,155.20 km) |
| Olkusz to Orleans | 813.53 mi (1,309.26 km) |
| Olkusz to Orly | 775.88 mi (1,248.65 km) |
| Olkusz to Ormesson-sur-Marne | 768.74 mi (1,237.17 km) |
| Olkusz to Orsay | 785.73 mi (1,264.51 km) |
