| Huntington Beach to Octeville | 5,488.31 mi (8,832.59 km) |
| Huntington Beach to Oignies | 5,601.54 mi (9,014.81 km) |
| Huntington Beach to Oissel | 5,593.13 mi (9,001.27 km) |
| Huntington Beach to Olivet | 5,689.77 mi (9,156.80 km) |
| Huntington Beach to Ollioules | 6,055.27 mi (9,745.02 km) |
| Huntington Beach to Olonne-sur-Mer | 5,623.44 mi (9,050.06 km) |
| Huntington Beach to Oloron-Sainte-Marie | 5,819.29 mi (9,365.24 km) |
| Huntington Beach to Onet Village | 5,880.72 mi (9,464.10 km) |
| Huntington Beach to Onnaing | 5,624.59 mi (9,051.90 km) |
| Huntington Beach to Orange | 5,969.62 mi (9,607.18 km) |
| Huntington Beach to Orchies | 5,609.22 mi (9,027.17 km) |
| Huntington Beach to Orleans | 5,688.22 mi (9,154.31 km) |
| Huntington Beach to Orly | 5,664.40 mi (9,115.96 km) |
| Huntington Beach to Ormesson-sur-Marne | 5,667.20 mi (9,120.47 km) |
| Huntington Beach to Orsay | 5,659.78 mi (9,108.54 km) |
