| Castleford to Ilawa | 853.61 mi (1,373.75 km) |
| Castleford to Imielin | 907.25 mi (1,460.07 km) |
| Castleford to Inowroclaw | 810.79 mi (1,304.85 km) |
| Castleford to Janow Lubelski | 1,022.35 mi (1,645.32 km) |
| Castleford to Jarocin | 793.74 mi (1,277.40 km) |
| Castleford to Jaroslaw | 1,051.25 mi (1,691.83 km) |
| Castleford to Jasien | 806.74 mi (1,298.32 km) |
| Castleford to Jaslo | 1,009.64 mi (1,624.86 km) |
| Castleford to Jastrzebie-Zdroj | 886.81 mi (1,427.18 km) |
| Castleford to Jawor | 760.80 mi (1,224.39 km) |
| Castleford to Jaworzno | 907.44 mi (1,460.39 km) |
| Castleford to Jedrzejow | 938.02 mi (1,509.60 km) |
| Castleford to Jelcz-Laskowice | 807.27 mi (1,299.17 km) |
| Castleford to Jelenia Gora | 745.61 mi (1,199.94 km) |
| Castleford to Jozefoslaw | 936.18 mi (1,506.64 km) |
