| Crnomelj to Octeville | 830.62 mi (1,336.75 km) |
| Crnomelj to Oignies | 656.20 mi (1,056.06 km) |
| Crnomelj to Oissel | 706.91 mi (1,137.67 km) |
| Crnomelj to Olivet | 648.19 mi (1,043.16 km) |
| Crnomelj to Ollioules | 490.79 mi (789.85 km) |
| Crnomelj to Olonne-sur-Mer | 814.46 mi (1,310.74 km) |
| Crnomelj to Oloron-Sainte-Marie | 795.69 mi (1,280.54 km) |
| Crnomelj to Onet Village | 620.65 mi (998.84 km) |
| Crnomelj to Onnaing | 629.93 mi (1,013.77 km) |
| Crnomelj to Orange | 517.53 mi (832.89 km) |
| Crnomelj to Orchies | 646.52 mi (1,040.48 km) |
| Crnomelj to Orleans | 648.24 mi (1,043.24 km) |
| Crnomelj to Orly | 638.96 mi (1,028.30 km) |
| Crnomelj to Ormesson-sur-Marne | 633.35 mi (1,019.27 km) |
| Crnomelj to Orsay | 647.18 mi (1,041.54 km) |
