| Houghton Regis to Irun | 594.76 mi (957.17 km) |
| Houghton Regis to Isla-Cristina | 1,068.53 mi (1,719.64 km) |
| Houghton Regis to Jaca | 646.29 mi (1,040.11 km) |
| Houghton Regis to Jaen | 989.39 mi (1,592.27 km) |
| Houghton Regis to Jerez de la Frontera | 1,086.95 mi (1,749.28 km) |
| Houghton Regis to Jerez de los Caballeros | 985.81 mi (1,586.51 km) |
| Houghton Regis to Jodar | 981.78 mi (1,580.03 km) |
| Houghton Regis to Jumilla | 928.36 mi (1,494.05 km) |
| Houghton Regis to La Algaba | 1,033.52 mi (1,663.29 km) |
| Houghton Regis to La Baneza | 709.79 mi (1,142.30 km) |
| Houghton Regis to La Carlota | 1,006.69 mi (1,620.11 km) |
| Houghton Regis to La Carolina | 954.01 mi (1,535.33 km) |
| Houghton Regis to La Corredoria | 637.70 mi (1,026.28 km) |
| Houghton Regis to La Eliana | 852.46 mi (1,371.90 km) |
| Houghton Regis to La Escala | 697.84 mi (1,123.06 km) |
