| Orsova to Noventa Vicentina | 531.67 mi (855.64 km) |
| Orsova to Novi di Modena | 563.12 mi (906.26 km) |
| Orsova to Novi Ligure | 667.17 mi (1,073.70 km) |
| Orsova to Nuoro | 730.51 mi (1,175.64 km) |
| Orsova to Occhiobello | 529.78 mi (852.60 km) |
| Orsova to Oderzo | 486.86 mi (783.53 km) |
| Orsova to Oggiono | 638.02 mi (1,026.80 km) |
| Orsova to Olbia | 703.55 mi (1,132.26 km) |
| Orsova to Oleggio | 672.37 mi (1,082.08 km) |
| Orsova to Olgiate Comasco | 656.48 mi (1,056.51 km) |
| Orsova to Olgiate Olona | 660.31 mi (1,062.66 km) |
| Orsova to Omegna | 683.61 mi (1,100.16 km) |
| Orsova to Opera | 644.17 mi (1,036.69 km) |
| Orsova to Oppeano | 548.69 mi (883.03 km) |
| Orsova to Orbassano | 726.90 mi (1,169.83 km) |
