| Grojec to Imielin | 139.56 mi (224.59 km) |
| Grojec to Inowroclaw | 127.34 mi (204.94 km) |
| Grojec to Janow Lubelski | 103.83 mi (167.10 km) |
| Grojec to Jarocin | 143.67 mi (231.22 km) |
| Grojec to Jaroslaw | 150.02 mi (241.44 km) |
| Grojec to Jasien | 195.91 mi (315.28 km) |
| Grojec to Jaslo | 148.68 mi (239.28 km) |
| Grojec to Jastrzebie-Zdroj | 165.58 mi (266.47 km) |
| Grojec to Jawor | 208.65 mi (335.79 km) |
| Grojec to Jaworzno | 134.13 mi (215.85 km) |
| Grojec to Jedrzejow | 88.61 mi (142.60 km) |
| Grojec to Jelcz-Laskowice | 162.66 mi (261.78 km) |
| Grojec to Jelenia Gora | 231.06 mi (371.85 km) |
| Grojec to Jozefoslaw | 17.92 mi (28.85 km) |
| Grojec to Jozefow | 24.17 mi (38.90 km) |
