| Sinnai to Octeville | 889.64 mi (1,431.74 km) |
| Sinnai to Oignies | 828.53 mi (1,333.39 km) |
| Sinnai to Oissel | 800.13 mi (1,287.68 km) |
| Sinnai to Olivet | 694.60 mi (1,117.86 km) |
| Sinnai to Ollioules | 317.27 mi (510.59 km) |
| Sinnai to Olonne-sur-Mer | 745.85 mi (1,200.33 km) |
| Sinnai to Oloron-Sainte-Marie | 575.66 mi (926.44 km) |
| Sinnai to Onet Village | 487.68 mi (784.85 km) |
| Sinnai to Onnaing | 813.05 mi (1,308.48 km) |
| Sinnai to Orange | 403.55 mi (649.45 km) |
| Sinnai to Orchies | 824.52 mi (1,326.93 km) |
| Sinnai to Orleans | 696.59 mi (1,121.05 km) |
| Sinnai to Orly | 734.14 mi (1,181.49 km) |
| Sinnai to Ormesson-sur-Marne | 733.40 mi (1,180.29 km) |
| Sinnai to Orsay | 736.13 mi (1,184.69 km) |
