| Houghton Regis to Santa Ursula | 1,819.04 mi (2,927.46 km) |
| Houghton Regis to Santander | 602.69 mi (969.93 km) |
| Houghton Regis to Santany | 884.59 mi (1,423.60 km) |
| Houghton Regis to Santiago de Compostela | 726.77 mi (1,169.63 km) |
| Houghton Regis to Santiago del Teide | 1,834.85 mi (2,952.91 km) |
| Houghton Regis to Santiponce | 1,035.05 mi (1,665.75 km) |
| Houghton Regis to Santomera | 956.74 mi (1,539.72 km) |
| Houghton Regis to Santona | 600.28 mi (966.06 km) |
| Houghton Regis to Santurce-Antiguo | 603.68 mi (971.52 km) |
| Houghton Regis to Sarria | 707.22 mi (1,138.17 km) |
| Houghton Regis to Sauzal | 1,814.25 mi (2,919.75 km) |
| Houghton Regis to Sedavi | 862.09 mi (1,387.40 km) |
| Houghton Regis to Segorbe | 832.71 mi (1,340.12 km) |
| Houghton Regis to Segovia | 775.83 mi (1,248.57 km) |
| Houghton Regis to Senmanat | 722.27 mi (1,162.38 km) |
