| Gorizia to Octeville | 751.44 mi (1,209.33 km) |
| Gorizia to Oignies | 580.15 mi (933.66 km) |
| Gorizia to Oissel | 627.94 mi (1,010.57 km) |
| Gorizia to Olivet | 568.37 mi (914.71 km) |
| Gorizia to Ollioules | 428.34 mi (689.34 km) |
| Gorizia to Olonne-sur-Mer | 735.51 mi (1,183.69 km) |
| Gorizia to Oloron-Sainte-Marie | 724.19 mi (1,165.47 km) |
| Gorizia to Onet Village | 547.48 mi (881.08 km) |
| Gorizia to Onnaing | 554.18 mi (891.87 km) |
| Gorizia to Orange | 447.27 mi (719.80 km) |
| Gorizia to Orchies | 570.69 mi (918.44 km) |
| Gorizia to Orleans | 568.42 mi (914.79 km) |
| Gorizia to Orly | 559.61 mi (900.60 km) |
| Gorizia to Ormesson-sur-Marne | 554.07 mi (891.68 km) |
| Gorizia to Orsay | 567.76 mi (913.72 km) |
