| Pioltello to Noventa Vicentina | 107.79 mi (173.47 km) |
| Pioltello to Novi di Modena | 87.08 mi (140.14 km) |
| Pioltello to Novi Ligure | 57.73 mi (92.90 km) |
| Pioltello to Nuoro | 358.13 mi (576.36 km) |
| Pioltello to Occhiobello | 116.48 mi (187.46 km) |
| Pioltello to Oderzo | 153.84 mi (247.59 km) |
| Pioltello to Oggiono | 19.59 mi (31.53 km) |
| Pioltello to Olbia | 316.79 mi (509.82 km) |
| Pioltello to Oleggio | 34.57 mi (55.63 km) |
| Pioltello to Olgiate Comasco | 26.40 mi (42.48 km) |
| Pioltello to Olgiate Olona | 23.64 mi (38.04 km) |
| Pioltello to Omegna | 51.78 mi (83.34 km) |
| Pioltello to Opera | 9.85 mi (15.85 km) |
| Pioltello to Oppeano | 90.81 mi (146.14 km) |
| Pioltello to Orbassano | 93.77 mi (150.91 km) |
