| Groslay to Imielin | 758.67 mi (1,220.96 km) |
| Groslay to Inowroclaw | 739.99 mi (1,190.89 km) |
| Groslay to Janow Lubelski | 899.32 mi (1,447.32 km) |
| Groslay to Jarocin | 695.99 mi (1,120.08 km) |
| Groslay to Jaroslaw | 912.39 mi (1,468.35 km) |
| Groslay to Jasien | 784.70 mi (1,262.85 km) |
| Groslay to Jaslo | 859.87 mi (1,383.83 km) |
| Groslay to Jastrzebie-Zdroj | 730.73 mi (1,176.00 km) |
| Groslay to Jawor | 630.40 mi (1,014.53 km) |
| Groslay to Jaworzno | 761.00 mi (1,224.71 km) |
| Groslay to Jedrzejow | 806.60 mi (1,298.10 km) |
| Groslay to Jelcz-Laskowice | 679.13 mi (1,092.96 km) |
| Groslay to Jelenia Gora | 608.99 mi (980.08 km) |
| Groslay to Jozefoslaw | 846.24 mi (1,361.89 km) |
| Groslay to Jozefow | 854.40 mi (1,375.02 km) |
