| Oristano to Noventa Vicentina | 400.47 mi (644.49 km) |
| Oristano to Novi di Modena | 364.15 mi (586.05 km) |
| Oristano to Novi Ligure | 335.48 mi (539.91 km) |
| Oristano to Nuoro | 48.40 mi (77.88 km) |
| Oristano to Occhiobello | 378.56 mi (609.23 km) |
| Oristano to Oderzo | 451.34 mi (726.35 km) |
| Oristano to Oggiono | 407.90 mi (656.46 km) |
| Oristano to Olbia | 84.63 mi (136.20 km) |
| Oristano to Oleggio | 393.44 mi (633.18 km) |
| Oristano to Olgiate Comasco | 406.54 mi (654.26 km) |
| Oristano to Olgiate Olona | 396.01 mi (637.31 km) |
| Oristano to Omegna | 412.75 mi (664.26 km) |
| Oristano to Opera | 379.79 mi (611.21 km) |
| Oristano to Oppeano | 395.26 mi (636.12 km) |
| Oristano to Orbassano | 356.55 mi (573.81 km) |
