| Perchtoldsdorf to Oignies | 618.86 mi (995.96 km) |
| Perchtoldsdorf to Oissel | 695.58 mi (1,119.42 km) |
| Perchtoldsdorf to Olivet | 663.57 mi (1,067.91 km) |
| Perchtoldsdorf to Ollioules | 608.87 mi (979.88 km) |
| Perchtoldsdorf to Olonne-sur-Mer | 849.87 mi (1,367.74 km) |
| Perchtoldsdorf to Oloron-Sainte-Marie | 880.66 mi (1,417.29 km) |
| Perchtoldsdorf to Onet Village | 701.70 mi (1,129.28 km) |
| Perchtoldsdorf to Onnaing | 591.67 mi (952.21 km) |
| Perchtoldsdorf to Orange | 612.79 mi (986.19 km) |
| Perchtoldsdorf to Orchies | 608.08 mi (978.62 km) |
| Perchtoldsdorf to Orleans | 662.87 mi (1,066.79 km) |
| Perchtoldsdorf to Orly | 636.65 mi (1,024.58 km) |
| Perchtoldsdorf to Ormesson-sur-Marne | 629.96 mi (1,013.83 km) |
| Perchtoldsdorf to Orsay | 646.09 mi (1,039.77 km) |
| Perchtoldsdorf to Orthez | 878.44 mi (1,413.71 km) |
