| Crest Hill to Octeville | 3,981.89 mi (6,408.23 km) |
| Crest Hill to Oignies | 4,133.68 mi (6,652.52 km) |
| Crest Hill to Oissel | 4,098.99 mi (6,596.69 km) |
| Crest Hill to Olivet | 4,182.28 mi (6,730.73 km) |
| Crest Hill to Ollioules | 4,519.77 mi (7,273.86 km) |
| Crest Hill to Olonne-sur-Mer | 4,079.10 mi (6,564.68 km) |
| Crest Hill to Oloron-Sainte-Marie | 4,245.77 mi (6,832.91 km) |
| Crest Hill to Onet Village | 4,337.73 mi (6,980.90 km) |
| Crest Hill to Onnaing | 4,159.49 mi (6,694.06 km) |
| Crest Hill to Orange | 4,437.99 mi (7,142.25 km) |
| Crest Hill to Orchies | 4,143.02 mi (6,667.54 km) |
| Crest Hill to Orleans | 4,181.25 mi (6,729.07 km) |
| Crest Hill to Orly | 4,170.70 mi (6,712.10 km) |
| Crest Hill to Ormesson-sur-Marne | 4,174.93 mi (6,718.90 km) |
| Crest Hill to Orsay | 4,164.25 mi (6,701.72 km) |
