| Brno to Oignies | 612.27 mi (985.36 km) |
| Brno to Oissel | 698.43 mi (1,124.02 km) |
| Brno to Olivet | 678.11 mi (1,091.31 km) |
| Brno to Ollioules | 662.30 mi (1,065.87 km) |
| Brno to Olonne-sur-Mer | 869.26 mi (1,398.94 km) |
| Brno to Oloron-Sainte-Marie | 918.91 mi (1,478.84 km) |
| Brno to Onet Village | 740.71 mi (1,192.05 km) |
| Brno to Onnaing | 585.40 mi (942.12 km) |
| Brno to Orange | 658.37 mi (1,059.54 km) |
| Brno to Orchies | 601.29 mi (967.68 km) |
| Brno to Orleans | 677.13 mi (1,089.73 km) |
| Brno to Orly | 644.58 mi (1,037.36 km) |
| Brno to Ormesson-sur-Marne | 637.62 mi (1,026.15 km) |
| Brno to Orsay | 654.30 mi (1,052.99 km) |
| Brno to Orthez | 915.07 mi (1,472.67 km) |
