| Krnov to Oignies | 648.74 mi (1,044.04 km) |
| Krnov to Oissel | 742.17 mi (1,194.41 km) |
| Krnov to Olivet | 731.29 mi (1,176.89 km) |
| Krnov to Ollioules | 738.08 mi (1,187.83 km) |
| Krnov to Olonne-sur-Mer | 924.84 mi (1,488.38 km) |
| Krnov to Oloron-Sainte-Marie | 986.75 mi (1,588.02 km) |
| Krnov to Onet Village | 809.51 mi (1,302.78 km) |
| Krnov to Onnaing | 622.52 mi (1,001.85 km) |
| Krnov to Orange | 730.83 mi (1,176.16 km) |
| Krnov to Orchies | 637.71 mi (1,026.30 km) |
| Krnov to Orleans | 730.10 mi (1,174.98 km) |
| Krnov to Orly | 692.98 mi (1,115.25 km) |
| Krnov to Ormesson-sur-Marne | 685.87 mi (1,103.79 km) |
| Krnov to Orsay | 702.82 mi (1,131.08 km) |
| Krnov to Orthez | 981.98 mi (1,580.34 km) |
