| Portchester to Nowy Dwor Mazowiecki | 939.18 mi (1,511.46 km) |
| Portchester to Nowy Sacz | 964.37 mi (1,552.01 km) |
| Portchester to Nowy Targ | 937.28 mi (1,508.41 km) |
| Portchester to Nowy Tomysl | 745.95 mi (1,200.49 km) |
| Portchester to Nysa | 806.63 mi (1,298.15 km) |
| Portchester to Oborniki | 775.32 mi (1,247.76 km) |
| Portchester to Oborniki Slaskie | 781.10 mi (1,257.05 km) |
| Portchester to Olawa | 800.81 mi (1,288.78 km) |
| Portchester to Olecko | 1,013.93 mi (1,631.77 km) |
| Portchester to Olesnica | 802.45 mi (1,291.42 km) |
| Portchester to Olesno | 849.59 mi (1,367.28 km) |
| Portchester to Olkusz | 905.75 mi (1,457.66 km) |
| Portchester to Olsztyn | 930.79 mi (1,497.96 km) |
| Portchester to Opalenica | 757.78 mi (1,219.53 km) |
| Portchester to Opoczno | 926.04 mi (1,490.32 km) |
