| Selargius to Noventa Vicentina | 433.85 mi (698.22 km) |
| Selargius to Novi di Modena | 399.73 mi (643.30 km) |
| Selargius to Novi Ligure | 380.88 mi (612.97 km) |
| Selargius to Nuoro | 74.02 mi (119.12 km) |
| Selargius to Occhiobello | 410.76 mi (661.05 km) |
| Selargius to Oderzo | 481.73 mi (775.27 km) |
| Selargius to Oggiono | 451.25 mi (726.22 km) |
| Selargius to Olbia | 116.29 mi (187.16 km) |
| Selargius to Oleggio | 439.31 mi (707.00 km) |
| Selargius to Olgiate Comasco | 451.26 mi (726.23 km) |
| Selargius to Olgiate Olona | 441.01 mi (709.74 km) |
| Selargius to Omegna | 459.30 mi (739.17 km) |
| Selargius to Opera | 423.52 mi (681.60 km) |
| Selargius to Oppeano | 430.33 mi (692.54 km) |
| Selargius to Orbassano | 406.12 mi (653.59 km) |
