| Knin to Oignies | 760.26 mi (1,223.52 km) |
| Knin to Oissel | 802.22 mi (1,291.06 km) |
| Knin to Olivet | 734.50 mi (1,182.07 km) |
| Knin to Ollioules | 521.42 mi (839.14 km) |
| Knin to Olonne-sur-Mer | 888.37 mi (1,429.69 km) |
| Knin to Oloron-Sainte-Marie | 841.18 mi (1,353.75 km) |
| Knin to Onet Village | 673.46 mi (1,083.84 km) |
| Knin to Onnaing | 734.59 mi (1,182.21 km) |
| Knin to Orange | 564.78 mi (908.92 km) |
| Knin to Orchies | 751.00 mi (1,208.62 km) |
| Knin to Orleans | 734.86 mi (1,182.64 km) |
| Knin to Orly | 732.30 mi (1,178.52 km) |
| Knin to Ormesson-sur-Marne | 727.19 mi (1,170.30 km) |
| Knin to Orsay | 739.92 mi (1,190.79 km) |
| Knin to Orthez | 846.11 mi (1,361.68 km) |
