| Mountain Top to Noventa Vicentina | 4,185.95 mi (6,736.64 km) |
| Mountain Top to Novi di Modena | 4,172.84 mi (6,715.53 km) |
| Mountain Top to Novi Ligure | 4,087.32 mi (6,577.90 km) |
| Mountain Top to Nuoro | 4,266.57 mi (6,866.39 km) |
| Mountain Top to Occhiobello | 4,200.60 mi (6,760.21 km) |
| Mountain Top to Oderzo | 4,208.63 mi (6,773.13 km) |
| Mountain Top to Oggiono | 4,077.00 mi (6,561.30 km) |
| Mountain Top to Olbia | 4,252.39 mi (6,843.56 km) |
| Mountain Top to Oleggio | 4,052.77 mi (6,522.30 km) |
| Mountain Top to Olgiate Comasco | 4,060.81 mi (6,535.25 km) |
| Mountain Top to Olgiate Olona | 4,062.26 mi (6,537.58 km) |
| Mountain Top to Omegna | 4,034.01 mi (6,492.11 km) |
| Mountain Top to Opera | 4,084.74 mi (6,573.76 km) |
| Mountain Top to Oppeano | 4,170.66 mi (6,712.03 km) |
| Mountain Top to Orbassano | 4,025.48 mi (6,478.38 km) |
