| On Top of the World Designated Place to Noventa Vicentina | 4,992.70 mi (8,034.97 km) |
| On Top of the World Designated Place to Novi di Modena | 4,975.22 mi (8,006.85 km) |
| On Top of the World Designated Place to Novi Ligure | 4,883.30 mi (7,858.91 km) |
| On Top of the World Designated Place to Nuoro | 5,029.24 mi (8,093.78 km) |
| On Top of the World Designated Place to Occhiobello | 5,004.92 mi (8,054.65 km) |
| On Top of the World Designated Place to Oderzo | 5,021.16 mi (8,080.77 km) |
| On Top of the World Designated Place to Oggiono | 4,881.93 mi (7,856.71 km) |
| On Top of the World Designated Place to Olbia | 5,020.47 mi (8,079.67 km) |
| On Top of the World Designated Place to Oleggio | 4,854.62 mi (7,812.76 km) |
| On Top of the World Designated Place to Olgiate Comasco | 4,864.82 mi (7,829.17 km) |
| On Top of the World Designated Place to Olgiate Olona | 4,864.97 mi (7,829.42 km) |
| On Top of the World Designated Place to Omegna | 4,837.37 mi (7,784.99 km) |
| On Top of the World Designated Place to Opera | 4,886.44 mi (7,863.96 km) |
| On Top of the World Designated Place to Oppeano | 4,976.65 mi (8,009.14 km) |
| On Top of the World Designated Place to Orbassano | 4,820.17 mi (7,757.32 km) |
