| Rietavas to Octeville | 1,066.95 mi (1,717.09 km) |
| Rietavas to Oignies | 861.79 mi (1,386.92 km) |
| Rietavas to Oissel | 975.35 mi (1,569.67 km) |
| Rietavas to Olivet | 1,007.99 mi (1,622.21 km) |
| Rietavas to Ollioules | 1,124.75 mi (1,810.11 km) |
| Rietavas to Olonne-sur-Mer | 1,198.85 mi (1,929.37 km) |
| Rietavas to Oloron-Sainte-Marie | 1,320.98 mi (2,125.91 km) |
| Rietavas to Onet Village | 1,155.32 mi (1,859.30 km) |
| Rietavas to Onnaing | 842.39 mi (1,355.70 km) |
| Rietavas to Orange | 1,098.73 mi (1,768.23 km) |
| Rietavas to Orchies | 852.27 mi (1,371.59 km) |
| Rietavas to Orleans | 1,005.98 mi (1,618.97 km) |
| Rietavas to Orly | 952.22 mi (1,532.45 km) |
| Rietavas to Ormesson-sur-Marne | 945.21 mi (1,521.16 km) |
| Rietavas to Orsay | 961.56 mi (1,547.48 km) |
