| Katowice to Octeville | 916.68 mi (1,475.25 km) |
| Katowice to Oignies | 704.93 mi (1,134.48 km) |
| Katowice to Oissel | 799.94 mi (1,287.38 km) |
| Katowice to Olivet | 790.54 mi (1,272.25 km) |
| Katowice to Ollioules | 792.97 mi (1,276.16 km) |
| Katowice to Olonne-sur-Mer | 984.25 mi (1,583.99 km) |
| Katowice to Oloron-Sainte-Marie | 1,045.54 mi (1,682.64 km) |
| Katowice to Onet Village | 868.04 mi (1,396.97 km) |
| Katowice to Onnaing | 678.94 mi (1,092.64 km) |
| Katowice to Orange | 787.99 mi (1,268.15 km) |
| Katowice to Orchies | 693.92 mi (1,116.75 km) |
| Katowice to Orleans | 789.33 mi (1,270.30 km) |
| Katowice to Orly | 751.65 mi (1,209.66 km) |
| Katowice to Ormesson-sur-Marne | 744.51 mi (1,198.18 km) |
| Katowice to Orsay | 761.50 mi (1,225.51 km) |
