| Sierre to Nowy Dwor Mazowiecki | 727.22 mi (1,170.35 km) |
| Sierre to Nowy Sacz | 649.84 mi (1,045.82 km) |
| Sierre to Nowy Targ | 617.53 mi (993.82 km) |
| Sierre to Nowy Tomysl | 567.49 mi (913.29 km) |
| Sierre to Nysa | 533.48 mi (858.55 km) |
| Sierre to Oborniki | 604.21 mi (972.39 km) |
| Sierre to Oborniki Slaskie | 547.98 mi (881.88 km) |
| Sierre to Olawa | 548.36 mi (882.51 km) |
| Sierre to Olecko | 848.09 mi (1,364.87 km) |
| Sierre to Olesnica | 561.34 mi (903.38 km) |
| Sierre to Olesno | 588.46 mi (947.03 km) |
| Sierre to Olkusz | 616.76 mi (992.57 km) |
| Sierre to Olsztyn | 770.51 mi (1,240.02 km) |
| Sierre to Opalenica | 575.71 mi (926.52 km) |
| Sierre to Opoczno | 676.44 mi (1,088.62 km) |
