| Ivancna Gorica to Orbetello | 300.02 mi (482.84 km) |
| Ivancna Gorica to Oria | 401.74 mi (646.54 km) |
| Ivancna Gorica to Oristano | 521.60 mi (839.43 km) |
| Ivancna Gorica to Orta Nova | 321.50 mi (517.41 km) |
| Ivancna Gorica to Orte | 268.39 mi (431.93 km) |
| Ivancna Gorica to Ortona | 248.67 mi (400.19 km) |
| Ivancna Gorica to Orvieto | 259.16 mi (417.07 km) |
| Ivancna Gorica to Orzinuovi | 237.99 mi (383.01 km) |
| Ivancna Gorica to Osimo | 181.51 mi (292.12 km) |
| Ivancna Gorica to Ospitaletto | 229.53 mi (369.39 km) |
| Ivancna Gorica to Ostuni | 385.70 mi (620.72 km) |
| Ivancna Gorica to Ottaviano | 351.88 mi (566.30 km) |
| Ivancna Gorica to Ovada | 312.33 mi (502.64 km) |
| Ivancna Gorica to Ozieri | 470.81 mi (757.70 km) |
| Ivancna Gorica to Paceco | 561.57 mi (903.75 km) |
