| Casa de Oro-Mount Helix to Octeville | 5,504.78 mi (8,859.09 km) |
| Casa de Oro-Mount Helix to Oignies | 5,621.97 mi (9,047.68 km) |
| Casa de Oro-Mount Helix to Oissel | 5,611.04 mi (9,030.10 km) |
| Casa de Oro-Mount Helix to Olivet | 5,706.57 mi (9,183.84 km) |
| Casa de Oro-Mount Helix to Ollioules | 6,069.87 mi (9,768.51 km) |
| Casa de Oro-Mount Helix to Olonne-sur-Mer | 5,636.21 mi (9,070.60 km) |
| Casa de Oro-Mount Helix to Oloron-Sainte-Marie | 5,829.01 mi (9,380.89 km) |
| Casa de Oro-Mount Helix to Onet Village | 5,894.14 mi (9,485.70 km) |
| Casa de Oro-Mount Helix to Onnaing | 5,645.32 mi (9,085.27 km) |
| Casa de Oro-Mount Helix to Orange | 5,984.47 mi (9,631.08 km) |
| Casa de Oro-Mount Helix to Orchies | 5,629.82 mi (9,060.32 km) |
| Casa de Oro-Mount Helix to Orleans | 5,705.08 mi (9,181.43 km) |
| Casa de Oro-Mount Helix to Orly | 5,682.52 mi (9,145.13 km) |
| Casa de Oro-Mount Helix to Ormesson-sur-Marne | 5,685.47 mi (9,149.87 km) |
| Casa de Oro-Mount Helix to Orsay | 5,677.72 mi (9,137.40 km) |
