| Cwmbran to Nowy Dwor Mazowiecki | 1,005.67 mi (1,618.48 km) |
| Cwmbran to Nowy Sacz | 1,044.02 mi (1,680.20 km) |
| Cwmbran to Nowy Targ | 1,018.05 mi (1,638.39 km) |
| Cwmbran to Nowy Tomysl | 813.96 mi (1,309.95 km) |
| Cwmbran to Nysa | 884.74 mi (1,423.86 km) |
| Cwmbran to Oborniki | 841.13 mi (1,353.67 km) |
| Cwmbran to Oborniki Slaskie | 855.05 mi (1,376.07 km) |
| Cwmbran to Olawa | 876.57 mi (1,410.70 km) |
| Cwmbran to Olecko | 1,071.64 mi (1,724.64 km) |
| Cwmbran to Olesnica | 876.73 mi (1,410.96 km) |
| Cwmbran to Olesno | 925.06 mi (1,488.73 km) |
| Cwmbran to Olkusz | 983.36 mi (1,582.57 km) |
| Cwmbran to Olsztyn | 989.81 mi (1,592.95 km) |
| Cwmbran to Opalenica | 825.82 mi (1,329.02 km) |
| Cwmbran to Opoczno | 998.10 mi (1,606.28 km) |
