| Houghton Regis to Ilawa | 845.41 mi (1,360.56 km) |
| Houghton Regis to Imielin | 863.99 mi (1,390.45 km) |
| Houghton Regis to Inowroclaw | 792.98 mi (1,276.18 km) |
| Houghton Regis to Janow Lubelski | 990.10 mi (1,593.41 km) |
| Houghton Regis to Jarocin | 765.89 mi (1,232.58 km) |
| Houghton Regis to Jaroslaw | 1,013.78 mi (1,631.52 km) |
| Houghton Regis to Jasien | 806.36 mi (1,297.71 km) |
| Houghton Regis to Jaslo | 967.68 mi (1,557.33 km) |
| Houghton Regis to Jastrzebie-Zdroj | 840.51 mi (1,352.68 km) |
| Houghton Regis to Jawor | 720.53 mi (1,159.59 km) |
| Houghton Regis to Jaworzno | 864.94 mi (1,391.99 km) |
| Houghton Regis to Jedrzejow | 901.40 mi (1,450.66 km) |
| Houghton Regis to Jelcz-Laskowice | 769.03 mi (1,237.64 km) |
| Houghton Regis to Jelenia Gora | 702.73 mi (1,130.93 km) |
| Houghton Regis to Jozefoslaw | 914.26 mi (1,471.36 km) |
