| Riorges to Octeville | 361.49 mi (581.77 km) |
| Riorges to Oignies | 309.60 mi (498.25 km) |
| Riorges to Oissel | 265.98 mi (428.05 km) |
| Riorges to Olivet | 161.29 mi (259.57 km) |
| Riorges to Ollioules | 219.40 mi (353.08 km) |
| Riorges to Olonne-sur-Mer | 279.58 mi (449.94 km) |
| Riorges to Oloron-Sainte-Marie | 301.53 mi (485.26 km) |
| Riorges to Onet Village | 135.61 mi (218.24 km) |
| Riorges to Onnaing | 300.90 mi (484.25 km) |
| Riorges to Orange | 136.83 mi (220.21 km) |
| Riorges to Orchies | 308.39 mi (496.31 km) |
| Riorges to Orleans | 163.11 mi (262.50 km) |
| Riorges to Orly | 201.90 mi (324.93 km) |
| Riorges to Ormesson-sur-Marne | 202.11 mi (325.26 km) |
| Riorges to Orsay | 202.91 mi (326.55 km) |
