| Plonsk to Nowy Dwor Mazowiecki | 19.68 mi (31.67 km) |
| Plonsk to Nowy Sacz | 208.37 mi (335.35 km) |
| Plonsk to Nowy Targ | 219.37 mi (353.04 km) |
| Plonsk to Nowy Tomysl | 180.17 mi (289.95 km) |
| Plonsk to Nysa | 198.65 mi (319.69 km) |
| Plonsk to Oborniki | 149.52 mi (240.63 km) |
| Plonsk to Oborniki Slaskie | 174.53 mi (280.88 km) |
| Plonsk to Olawa | 176.51 mi (284.06 km) |
| Plonsk to Olecko | 130.31 mi (209.72 km) |
| Plonsk to Olesnica | 161.70 mi (260.23 km) |
| Plonsk to Olesno | 147.75 mi (237.78 km) |
| Plonsk to Olkusz | 166.28 mi (267.60 km) |
| Plonsk to Olsztyn | 79.18 mi (127.42 km) |
| Plonsk to Opalenica | 168.57 mi (271.28 km) |
| Plonsk to Opoczno | 86.88 mi (139.83 km) |
