| Sunnyvale to Octeville | 5,412.26 mi (8,710.19 km) |
| Sunnyvale to Oignies | 5,509.73 mi (8,867.05 km) |
| Sunnyvale to Oissel | 5,511.01 mi (8,869.12 km) |
| Sunnyvale to Olivet | 5,611.50 mi (9,030.83 km) |
| Sunnyvale to Ollioules | 5,983.87 mi (9,630.11 km) |
| Sunnyvale to Olonne-sur-Mer | 5,561.04 mi (8,949.62 km) |
| Sunnyvale to Oloron-Sainte-Marie | 5,767.70 mi (9,282.22 km) |
| Sunnyvale to Onet Village | 5,814.61 mi (9,357.71 km) |
| Sunnyvale to Onnaing | 5,531.48 mi (8,902.06 km) |
| Sunnyvale to Orange | 5,897.61 mi (9,491.29 km) |
| Sunnyvale to Orchies | 5,516.72 mi (8,878.30 km) |
| Sunnyvale to Orleans | 5,609.77 mi (9,028.05 km) |
| Sunnyvale to Orly | 5,581.18 mi (8,982.04 km) |
| Sunnyvale to Ormesson-sur-Marne | 5,583.41 mi (8,985.63 km) |
| Sunnyvale to Orsay | 5,577.32 mi (8,975.83 km) |
