| Ptuj to Octeville | 836.91 mi (1,346.88 km) |
| Ptuj to Oignies | 651.95 mi (1,049.21 km) |
| Ptuj to Oissel | 712.62 mi (1,146.84 km) |
| Ptuj to Olivet | 663.08 mi (1,067.13 km) |
| Ptuj to Ollioules | 540.75 mi (870.25 km) |
| Ptuj to Olonne-sur-Mer | 837.71 mi (1,348.16 km) |
| Ptuj to Oloron-Sainte-Marie | 836.10 mi (1,345.58 km) |
| Ptuj to Onet Village | 658.74 mi (1,060.14 km) |
| Ptuj to Onnaing | 625.08 mi (1,005.97 km) |
| Ptuj to Orange | 559.78 mi (900.88 km) |
| Ptuj to Orchies | 641.77 mi (1,032.84 km) |
| Ptuj to Orleans | 662.86 mi (1,066.77 km) |
| Ptuj to Orly | 647.34 mi (1,041.80 km) |
| Ptuj to Ormesson-sur-Marne | 641.29 mi (1,032.05 km) |
| Ptuj to Orsay | 656.09 mi (1,055.87 km) |
