| Riverside to Octeville | 5,454.20 mi (8,777.68 km) |
| Riverside to Oignies | 5,568.30 mi (8,961.32 km) |
| Riverside to Oissel | 5,559.32 mi (8,946.87 km) |
| Riverside to Olivet | 5,655.73 mi (9,102.02 km) |
| Riverside to Ollioules | 6,020.79 mi (9,689.53 km) |
| Riverside to Olonne-sur-Mer | 5,588.59 mi (8,993.96 km) |
| Riverside to Oloron-Sainte-Marie | 5,783.88 mi (9,308.25 km) |
| Riverside to Onet Village | 5,846.00 mi (9,408.22 km) |
| Riverside to Onnaing | 5,591.42 mi (8,998.53 km) |
| Riverside to Orange | 5,935.19 mi (9,551.77 km) |
| Riverside to Orchies | 5,576.02 mi (8,973.74 km) |
| Riverside to Orleans | 5,654.20 mi (9,099.55 km) |
| Riverside to Orly | 5,630.64 mi (9,061.64 km) |
| Riverside to Ormesson-sur-Marne | 5,633.48 mi (9,066.21 km) |
| Riverside to Orsay | 5,625.99 mi (9,054.15 km) |
