| Houghton Regis to Muro del Alcoy | 906.80 mi (1,459.36 km) |
| Houghton Regis to Naron | 676.48 mi (1,088.69 km) |
| Houghton Regis to Navalcarnero | 819.78 mi (1,319.31 km) |
| Houghton Regis to Navalmoral de la Mata | 863.32 mi (1,389.38 km) |
| Houghton Regis to Nerja | 1,060.00 mi (1,705.90 km) |
| Houghton Regis to Nigran | 778.00 mi (1,252.07 km) |
| Houghton Regis to Nijar | 1,035.29 mi (1,666.14 km) |
| Houghton Regis to Novelda | 934.14 mi (1,503.35 km) |
| Houghton Regis to Noya | 740.70 mi (1,192.05 km) |
| Houghton Regis to Nules | 832.86 mi (1,340.36 km) |
| Houghton Regis to Ocana | 837.54 mi (1,347.88 km) |
| Houghton Regis to Ogijares | 1,032.63 mi (1,661.86 km) |
| Houghton Regis to Oleiros | 693.63 mi (1,116.28 km) |
| Houghton Regis to Olesa de Montserrat | 724.73 mi (1,166.35 km) |
| Houghton Regis to Oliva | 897.35 mi (1,444.15 km) |
