| River Falls to Noventa Vicentina | 4,678.47 mi (7,529.26 km) |
| River Falls to Novi di Modena | 4,673.52 mi (7,521.30 km) |
| River Falls to Novi Ligure | 4,601.77 mi (7,405.83 km) |
| River Falls to Nuoro | 4,826.44 mi (7,767.41 km) |
| River Falls to Occhiobello | 4,696.95 mi (7,559.02 km) |
| River Falls to Oderzo | 4,689.77 mi (7,547.46 km) |
| River Falls to Oggiono | 4,576.35 mi (7,364.92 km) |
| River Falls to Olbia | 4,804.98 mi (7,732.87 km) |
| River Falls to Oleggio | 4,558.32 mi (7,335.91 km) |
| River Falls to Olgiate Comasco | 4,562.34 mi (7,342.37 km) |
| River Falls to Olgiate Olona | 4,566.02 mi (7,348.29 km) |
| River Falls to Omegna | 4,537.56 mi (7,302.50 km) |
| River Falls to Opera | 4,589.52 mi (7,386.12 km) |
| River Falls to Oppeano | 4,665.04 mi (7,507.66 km) |
| River Falls to Orbassano | 4,544.13 mi (7,313.06 km) |
