| Modesto to Octeville | 5,365.71 mi (8,635.27 km) |
| Modesto to Oignies | 5,464.98 mi (8,795.04 km) |
| Modesto to Oissel | 5,465.16 mi (8,795.33 km) |
| Modesto to Olivet | 5,565.26 mi (8,956.42 km) |
| Modesto to Ollioules | 5,937.02 mi (9,554.70 km) |
| Modesto to Olonne-sur-Mer | 5,513.10 mi (8,872.48 km) |
| Modesto to Oloron-Sainte-Marie | 5,718.77 mi (9,203.46 km) |
| Modesto to Onet Village | 5,767.14 mi (9,281.32 km) |
| Modesto to Onnaing | 5,486.90 mi (8,830.31 km) |
| Modesto to Orange | 5,850.80 mi (9,415.95 km) |
| Modesto to Orchies | 5,472.06 mi (8,806.42 km) |
| Modesto to Orleans | 5,563.55 mi (8,953.67 km) |
| Modesto to Orly | 5,535.48 mi (8,908.49 km) |
| Modesto to Ormesson-sur-Marne | 5,537.77 mi (8,912.18 km) |
| Modesto to Orsay | 5,531.53 mi (8,902.14 km) |
