| Hwlffordd to Nowy Dwor Mazowiecki | 1,084.94 mi (1,746.05 km) |
| Hwlffordd to Nowy Sacz | 1,127.01 mi (1,813.75 km) |
| Hwlffordd to Nowy Targ | 1,101.26 mi (1,772.31 km) |
| Hwlffordd to Nowy Tomysl | 894.05 mi (1,438.84 km) |
| Hwlffordd to Nysa | 967.50 mi (1,557.04 km) |
| Hwlffordd to Oborniki | 920.44 mi (1,481.30 km) |
| Hwlffordd to Oborniki Slaskie | 936.83 mi (1,507.68 km) |
| Hwlffordd to Olawa | 958.78 mi (1,543.01 km) |
| Hwlffordd to Olecko | 1,147.39 mi (1,846.55 km) |
| Hwlffordd to Olesnica | 958.57 mi (1,542.67 km) |
| Hwlffordd to Olesno | 1,007.15 mi (1,620.86 km) |
| Hwlffordd to Olkusz | 1,065.94 mi (1,715.47 km) |
| Hwlffordd to Olsztyn | 1,066.27 mi (1,715.99 km) |
| Hwlffordd to Opalenica | 905.89 mi (1,457.89 km) |
| Hwlffordd to Opoczno | 1,079.19 mi (1,736.78 km) |
