| Niksic to Octeville | 1,087.81 mi (1,750.67 km) |
| Niksic to Oignies | 921.96 mi (1,483.75 km) |
| Niksic to Oissel | 965.57 mi (1,553.93 km) |
| Niksic to Olivet | 897.31 mi (1,444.08 km) |
| Niksic to Ollioules | 662.36 mi (1,065.97 km) |
| Niksic to Olonne-sur-Mer | 1,047.70 mi (1,686.10 km) |
| Niksic to Oloron-Sainte-Marie | 986.63 mi (1,587.82 km) |
| Niksic to Onet Village | 824.69 mi (1,327.21 km) |
| Niksic to Onnaing | 896.03 mi (1,442.03 km) |
| Niksic to Orange | 714.48 mi (1,149.84 km) |
| Niksic to Orchies | 912.53 mi (1,468.58 km) |
| Niksic to Orleans | 897.71 mi (1,444.72 km) |
| Niksic to Orly | 895.67 mi (1,441.44 km) |
| Niksic to Ormesson-sur-Marne | 890.56 mi (1,433.21 km) |
| Niksic to Orsay | 903.28 mi (1,453.70 km) |
