| Oliveira de Frades to Octeville | 692.54 mi (1,114.54 km) |
| Oliveira de Frades to Oignies | 861.79 mi (1,386.91 km) |
| Oliveira de Frades to Oissel | 747.32 mi (1,202.69 km) |
| Oliveira de Frades to Olivet | 700.74 mi (1,127.73 km) |
| Oliveira de Frades to Ollioules | 739.42 mi (1,189.98 km) |
| Oliveira de Frades to Olonne-sur-Mer | 513.89 mi (827.02 km) |
| Oliveira de Frades to Oloron-Sainte-Marie | 425.06 mi (684.07 km) |
| Oliveira de Frades to Onet Village | 603.15 mi (970.67 km) |
| Oliveira de Frades to Onnaing | 876.16 mi (1,410.05 km) |
| Oliveira de Frades to Orange | 702.62 mi (1,130.75 km) |
| Oliveira de Frades to Orchies | 869.61 mi (1,399.50 km) |
| Oliveira de Frades to Orleans | 702.79 mi (1,131.02 km) |
| Oliveira de Frades to Orly | 758.28 mi (1,220.34 km) |
| Oliveira de Frades to Ormesson-sur-Marne | 765.11 mi (1,231.32 km) |
| Oliveira de Frades to Orsay | 749.30 mi (1,205.88 km) |
