| Houghton Regis to Santa Venerina | 1,241.37 mi (1,997.79 km) |
| Houghton Regis to Santeramo in Colle | 1,121.05 mi (1,804.15 km) |
| Houghton Regis to Santo Stefano di Magra | 718.84 mi (1,156.86 km) |
| Houghton Regis to Santo Stino di Livenza | 734.99 mi (1,182.86 km) |
| Houghton Regis to Sarezzo | 650.85 mi (1,047.45 km) |
| Houghton Regis to Sarno | 1,048.57 mi (1,687.51 km) |
| Houghton Regis to Saronno | 613.70 mi (987.66 km) |
| Houghton Regis to Sarzana | 722.87 mi (1,163.35 km) |
| Houghton Regis to Sassari | 884.06 mi (1,422.75 km) |
| Houghton Regis to Sasso Marconi | 748.89 mi (1,205.22 km) |
| Houghton Regis to Sassuolo | 725.81 mi (1,168.08 km) |
| Houghton Regis to Sava | 1,169.44 mi (1,882.04 km) |
| Houghton Regis to Saviano | 1,039.91 mi (1,673.57 km) |
| Houghton Regis to Savigliano | 625.21 mi (1,006.19 km) |
| Houghton Regis to Savignano sul Panaro | 737.46 mi (1,186.83 km) |
