| Houghton Regis to Isny im Allgau | 552.98 mi (889.93 km) |
| Houghton Regis to Isselburg | 298.20 mi (479.91 km) |
| Houghton Regis to Issum | 298.36 mi (480.16 km) |
| Houghton Regis to Itzehoe | 440.59 mi (709.06 km) |
| Houghton Regis to Jena | 525.59 mi (845.85 km) |
| Houghton Regis to Jever | 370.61 mi (596.44 km) |
| Houghton Regis to Jork | 441.33 mi (710.25 km) |
| Houghton Regis to Juchen | 307.12 mi (494.26 km) |
| Houghton Regis to Julich | 304.14 mi (489.47 km) |
| Houghton Regis to Juterbog | 578.26 mi (930.63 km) |
| Houghton Regis to Kaarst | 310.28 mi (499.34 km) |
| Houghton Regis to Kaiserslautern | 400.62 mi (644.74 km) |
| Houghton Regis to Kalkar | 291.26 mi (468.74 km) |
| Houghton Regis to Kall | 319.93 mi (514.88 km) |
| Houghton Regis to Kaltenkirchen | 456.78 mi (735.11 km) |
