| Sileby to Noventa Vicentina | 768.05 mi (1,236.05 km) |
| Sileby to Novi di Modena | 767.34 mi (1,234.91 km) |
| Sileby to Novi Ligure | 710.34 mi (1,143.19 km) |
| Sileby to Nuoro | 988.67 mi (1,591.11 km) |
| Sileby to Occhiobello | 787.96 mi (1,268.10 km) |
| Sileby to Oderzo | 776.75 mi (1,250.06 km) |
| Sileby to Oggiono | 671.59 mi (1,080.82 km) |
| Sileby to Olbia | 955.73 mi (1,538.11 km) |
| Sileby to Oleggio | 659.43 mi (1,061.24 km) |
| Sileby to Olgiate Comasco | 659.68 mi (1,061.65 km) |
| Sileby to Olgiate Olona | 665.15 mi (1,070.46 km) |
| Sileby to Omegna | 637.58 mi (1,026.09 km) |
| Sileby to Opera | 688.73 mi (1,108.41 km) |
| Sileby to Oppeano | 755.58 mi (1,215.99 km) |
| Sileby to Orbassano | 661.64 mi (1,064.80 km) |
