| Ploiesti to Ilawa | 664.46 mi (1,069.35 km) |
| Ploiesti to Imielin | 478.64 mi (770.30 km) |
| Ploiesti to Inowroclaw | 646.29 mi (1,040.11 km) |
| Ploiesti to Janow Lubelski | 432.56 mi (696.13 km) |
| Ploiesti to Jarocin | 622.15 mi (1,001.26 km) |
| Ploiesti to Jaroslaw | 383.88 mi (617.80 km) |
| Ploiesti to Jasien | 729.26 mi (1,173.63 km) |
| Ploiesti to Jaslo | 394.41 mi (634.75 km) |
| Ploiesti to Jastrzebie-Zdroj | 490.07 mi (788.68 km) |
| Ploiesti to Jawor | 619.04 mi (996.26 km) |
| Ploiesti to Jaworzno | 480.56 mi (773.39 km) |
| Ploiesti to Jedrzejow | 474.29 mi (763.29 km) |
| Ploiesti to Jelcz-Laskowice | 581.17 mi (935.30 km) |
| Ploiesti to Jelenia Gora | 628.75 mi (1,011.87 km) |
| Ploiesti to Jozefoslaw | 544.25 mi (875.89 km) |
