| Porthcawl to Nowy Dwor Mazowiecki | 1,036.34 mi (1,667.83 km) |
| Porthcawl to Nowy Sacz | 1,073.20 mi (1,727.14 km) |
| Porthcawl to Nowy Targ | 1,047.01 mi (1,685.00 km) |
| Porthcawl to Nowy Tomysl | 844.48 mi (1,359.05 km) |
| Porthcawl to Nysa | 914.12 mi (1,471.13 km) |
| Porthcawl to Oborniki | 871.81 mi (1,403.04 km) |
| Porthcawl to Oborniki Slaskie | 884.99 mi (1,424.25 km) |
| Porthcawl to Olawa | 906.28 mi (1,458.52 km) |
| Porthcawl to Olecko | 1,102.71 mi (1,774.64 km) |
| Porthcawl to Olesnica | 906.64 mi (1,459.09 km) |
| Porthcawl to Olesno | 954.83 mi (1,536.64 km) |
| Porthcawl to Olkusz | 1,012.85 mi (1,630.02 km) |
| Porthcawl to Olsztyn | 1,020.84 mi (1,642.88 km) |
| Porthcawl to Opalenica | 856.33 mi (1,378.13 km) |
| Porthcawl to Opoczno | 1,028.29 mi (1,654.87 km) |
