| South River to Noventa Vicentina | 4,149.46 mi (6,677.91 km) |
| South River to Novi di Modena | 4,135.39 mi (6,655.26 km) |
| South River to Novi Ligure | 4,048.42 mi (6,515.30 km) |
| South River to Nuoro | 4,221.56 mi (6,793.95 km) |
| South River to Occhiobello | 4,163.59 mi (6,700.65 km) |
| South River to Oderzo | 4,173.45 mi (6,716.52 km) |
| South River to Oggiono | 4,039.99 mi (6,501.73 km) |
| South River to Olbia | 4,208.32 mi (6,772.64 km) |
| South River to Oleggio | 4,015.06 mi (6,461.62 km) |
| South River to Olgiate Comasco | 4,023.58 mi (6,475.33 km) |
| South River to Olgiate Olona | 4,024.75 mi (6,477.21 km) |
| South River to Omegna | 3,996.60 mi (6,431.91 km) |
| South River to Opera | 4,047.04 mi (6,513.08 km) |
| South River to Oppeano | 4,133.98 mi (6,653.01 km) |
| South River to Orbassano | 3,986.24 mi (6,415.23 km) |
