| Vacaville to Octeville | 5,355.16 mi (8,618.30 km) |
| Vacaville to Oignies | 5,450.94 mi (8,772.44 km) |
| Vacaville to Oissel | 5,453.23 mi (8,776.12 km) |
| Vacaville to Olivet | 5,554.08 mi (8,938.42 km) |
| Vacaville to Ollioules | 5,927.03 mi (9,538.64 km) |
| Vacaville to Olonne-sur-Mer | 5,505.40 mi (8,860.08 km) |
| Vacaville to Oloron-Sainte-Marie | 5,713.22 mi (9,194.55 km) |
| Vacaville to Onet Village | 5,758.43 mi (9,267.30 km) |
| Vacaville to Onnaing | 5,472.55 mi (8,807.22 km) |
| Vacaville to Orange | 5,840.75 mi (9,399.78 km) |
| Vacaville to Orchies | 5,457.86 mi (8,783.57 km) |
| Vacaville to Orleans | 5,552.33 mi (8,935.61 km) |
| Vacaville to Orly | 5,523.25 mi (8,888.80 km) |
| Vacaville to Ormesson-sur-Marne | 5,525.41 mi (8,892.30 km) |
| Vacaville to Orsay | 5,519.47 mi (8,882.72 km) |
