| South Bend to Octeville | 3,904.05 mi (6,282.96 km) |
| South Bend to Oignies | 4,058.37 mi (6,531.31 km) |
| South Bend to Oissel | 4,021.83 mi (6,472.51 km) |
| South Bend to Olivet | 4,103.97 mi (6,604.70 km) |
| South Bend to Ollioules | 4,438.86 mi (7,143.66 km) |
| South Bend to Olonne-sur-Mer | 3,998.24 mi (6,434.54 km) |
| South Bend to Oloron-Sainte-Marie | 4,162.47 mi (6,698.85 km) |
| South Bend to Onet Village | 4,256.56 mi (6,850.27 km) |
| South Bend to Onnaing | 4,084.32 mi (6,573.08 km) |
| South Bend to Orange | 4,357.48 mi (7,012.69 km) |
| South Bend to Orchies | 4,067.80 mi (6,546.50 km) |
| South Bend to Orleans | 4,102.98 mi (6,603.11 km) |
| South Bend to Orly | 4,093.43 mi (6,587.74 km) |
| South Bend to Ormesson-sur-Marne | 4,097.75 mi (6,594.69 km) |
| South Bend to Orsay | 4,086.86 mi (6,577.16 km) |
