| Plonsk to Ilawa | 74.68 mi (120.19 km) |
| Plonsk to Imielin | 179.90 mi (289.53 km) |
| Plonsk to Inowroclaw | 89.51 mi (144.05 km) |
| Plonsk to Janow Lubelski | 158.50 mi (255.08 km) |
| Plonsk to Jarocin | 130.23 mi (209.59 km) |
| Plonsk to Jaroslaw | 206.05 mi (331.61 km) |
| Plonsk to Jasien | 139.71 mi (224.85 km) |
| Plonsk to Jaslo | 204.85 mi (329.68 km) |
| Plonsk to Jastrzebie-Zdroj | 201.03 mi (323.53 km) |
| Plonsk to Jawor | 209.37 mi (336.95 km) |
| Plonsk to Jaworzno | 174.54 mi (280.89 km) |
| Plonsk to Jedrzejow | 138.23 mi (222.46 km) |
| Plonsk to Jelcz-Laskowice | 170.79 mi (274.87 km) |
| Plonsk to Jelenia Gora | 231.88 mi (373.18 km) |
| Plonsk to Jozefoslaw | 46.23 mi (74.41 km) |
