| Redwood City to Octeville | 5,411.76 mi (8,709.38 km) |
| Redwood City to Oignies | 5,508.56 mi (8,865.16 km) |
| Redwood City to Oissel | 5,510.24 mi (8,867.88 km) |
| Redwood City to Olivet | 5,610.87 mi (9,029.83 km) |
| Redwood City to Ollioules | 5,983.47 mi (9,629.47 km) |
| Redwood City to Olonne-sur-Mer | 5,561.07 mi (8,949.68 km) |
| Redwood City to Oloron-Sainte-Marie | 5,768.15 mi (9,282.94 km) |
| Redwood City to Onet Village | 5,814.45 mi (9,357.46 km) |
| Redwood City to Onnaing | 5,530.25 mi (8,900.08 km) |
| Redwood City to Orange | 5,897.20 mi (9,490.63 km) |
| Redwood City to Orchies | 5,515.52 mi (8,876.36 km) |
| Redwood City to Orleans | 5,609.14 mi (9,027.03 km) |
| Redwood City to Orly | 5,580.35 mi (8,980.71 km) |
| Redwood City to Ormesson-sur-Marne | 5,582.56 mi (8,984.26 km) |
| Redwood City to Orsay | 5,576.52 mi (8,974.55 km) |
