| Ozieri to Octeville | 810.68 mi (1,304.67 km) |
| Ozieri to Oignies | 741.70 mi (1,193.66 km) |
| Ozieri to Oissel | 717.22 mi (1,154.26 km) |
| Ozieri to Olivet | 613.11 mi (986.70 km) |
| Ozieri to Ollioules | 239.82 mi (385.96 km) |
| Ozieri to Olonne-sur-Mer | 677.35 mi (1,090.09 km) |
| Ozieri to Oloron-Sainte-Marie | 525.77 mi (846.14 km) |
| Ozieri to Onet Village | 418.03 mi (672.75 km) |
| Ozieri to Onnaing | 725.67 mi (1,167.85 km) |
| Ozieri to Orange | 325.66 mi (524.10 km) |
| Ozieri to Orchies | 737.43 mi (1,186.78 km) |
| Ozieri to Orleans | 614.99 mi (989.73 km) |
| Ozieri to Orly | 650.05 mi (1,046.15 km) |
| Ozieri to Ormesson-sur-Marne | 649.00 mi (1,044.46 km) |
| Ozieri to Orsay | 652.46 mi (1,050.04 km) |
