| Pirna to Octeville | 692.68 mi (1,114.75 km) |
| Pirna to Oignies | 479.66 mi (771.94 km) |
| Pirna to Oissel | 578.97 mi (931.75 km) |
| Pirna to Olivet | 581.16 mi (935.29 km) |
| Pirna to Ollioules | 660.44 mi (1,062.87 km) |
| Pirna to Olonne-sur-Mer | 776.46 mi (1,249.59 km) |
| Pirna to Oloron-Sainte-Marie | 867.18 mi (1,395.60 km) |
| Pirna to Onet Village | 696.13 mi (1,120.31 km) |
| Pirna to Onnaing | 454.20 mi (730.96 km) |
| Pirna to Orange | 634.36 mi (1,020.90 km) |
| Pirna to Orchies | 468.70 mi (754.30 km) |
| Pirna to Orleans | 579.65 mi (932.85 km) |
| Pirna to Orly | 536.12 mi (862.80 km) |
| Pirna to Ormesson-sur-Marne | 528.89 mi (851.17 km) |
| Pirna to Orsay | 545.99 mi (878.68 km) |
