| Oswego to Octeville | 3,985.84 mi (6,414.58 km) |
| Oswego to Oignies | 4,137.03 mi (6,657.90 km) |
| Oswego to Oissel | 4,102.77 mi (6,602.77 km) |
| Oswego to Olivet | 4,186.33 mi (6,737.24 km) |
| Oswego to Ollioules | 4,524.45 mi (7,281.40 km) |
| Oswego to Olonne-sur-Mer | 4,083.79 mi (6,572.23 km) |
| Oswego to Oloron-Sainte-Marie | 4,251.10 mi (6,841.49 km) |
| Oswego to Onet Village | 4,342.49 mi (6,988.56 km) |
| Oswego to Onnaing | 4,162.80 mi (6,699.39 km) |
| Oswego to Orange | 4,442.57 mi (7,149.63 km) |
| Oswego to Orchies | 4,146.34 mi (6,672.89 km) |
| Oswego to Orleans | 4,185.29 mi (6,735.57 km) |
| Oswego to Orly | 4,174.51 mi (6,718.22 km) |
| Oswego to Ormesson-sur-Marne | 4,178.71 mi (6,724.98 km) |
| Oswego to Orsay | 4,168.09 mi (6,707.89 km) |
