| Riegelsberg to Octeville | 385.82 mi (620.91 km) |
| Riegelsberg to Oignies | 193.42 mi (311.27 km) |
| Riegelsberg to Oissel | 263.26 mi (423.67 km) |
| Riegelsberg to Olivet | 250.49 mi (403.12 km) |
| Riegelsberg to Ollioules | 428.43 mi (689.49 km) |
| Riegelsberg to Olonne-sur-Mer | 445.75 mi (717.37 km) |
| Riegelsberg to Oloron-Sainte-Marie | 554.05 mi (891.65 km) |
| Riegelsberg to Onet Village | 397.50 mi (639.71 km) |
| Riegelsberg to Onnaing | 166.86 mi (268.54 km) |
| Riegelsberg to Orange | 370.18 mi (595.75 km) |
| Riegelsberg to Orchies | 183.51 mi (295.34 km) |
| Riegelsberg to Orleans | 249.02 mi (400.75 km) |
| Riegelsberg to Orly | 209.38 mi (336.96 km) |
| Riegelsberg to Ormesson-sur-Marne | 202.29 mi (325.56 km) |
| Riegelsberg to Orsay | 219.20 mi (352.76 km) |
