| Ruthen to Octeville | 462.37 mi (744.11 km) |
| Ruthen to Oignies | 248.99 mi (400.71 km) |
| Ruthen to Oissel | 357.56 mi (575.43 km) |
| Ruthen to Olivet | 386.38 mi (621.83 km) |
| Ruthen to Ollioules | 590.16 mi (949.77 km) |
| Ruthen to Olonne-sur-Mer | 576.47 mi (927.74 km) |
| Ruthen to Oloron-Sainte-Marie | 712.93 mi (1,147.35 km) |
| Ruthen to Onet Village | 562.49 mi (905.24 km) |
| Ruthen to Onnaing | 225.94 mi (363.61 km) |
| Ruthen to Orange | 535.82 mi (862.33 km) |
| Ruthen to Orchies | 238.44 mi (383.74 km) |
| Ruthen to Orleans | 384.29 mi (618.45 km) |
| Ruthen to Orly | 329.82 mi (530.79 km) |
| Ruthen to Ormesson-sur-Marne | 322.80 mi (519.49 km) |
| Ruthen to Orsay | 339.18 mi (545.86 km) |
