| Silves to Noventa Vicentina | 1,174.37 mi (1,889.96 km) |
| Silves to Novi di Modena | 1,135.84 mi (1,827.96 km) |
| Silves to Novi Ligure | 1,036.66 mi (1,668.34 km) |
| Silves to Nuoro | 979.92 mi (1,577.03 km) |
| Silves to Occhiobello | 1,167.66 mi (1,879.17 km) |
| Silves to Oderzo | 1,230.16 mi (1,979.75 km) |
| Silves to Oggiono | 1,091.89 mi (1,757.23 km) |
| Silves to Olbia | 994.43 mi (1,600.38 km) |
| Silves to Oleggio | 1,055.33 mi (1,698.38 km) |
| Silves to Olgiate Comasco | 1,075.44 mi (1,730.75 km) |
| Silves to Olgiate Olona | 1,067.12 mi (1,717.37 km) |
| Silves to Omegna | 1,054.73 mi (1,697.43 km) |
| Silves to Opera | 1,073.93 mi (1,728.33 km) |
| Silves to Oppeano | 1,158.99 mi (1,865.21 km) |
| Silves to Orbassano | 989.16 mi (1,591.90 km) |
