| Houghton Regis to Spello | 869.05 mi (1,398.60 km) |
| Houghton Regis to Spilamberto | 734.35 mi (1,181.82 km) |
| Houghton Regis to Spilimbergo | 725.25 mi (1,167.18 km) |
| Houghton Regis to Spinea | 726.89 mi (1,169.82 km) |
| Houghton Regis to Spoleto | 881.79 mi (1,419.10 km) |
| Houghton Regis to Spoltore | 945.67 mi (1,521.91 km) |
| Houghton Regis to Spresiano | 716.86 mi (1,153.68 km) |
| Houghton Regis to Squinzano | 1,184.58 mi (1,906.39 km) |
| Houghton Regis to Statte | 1,148.11 mi (1,847.71 km) |
| Houghton Regis to Stezzano | 632.48 mi (1,017.88 km) |
| Houghton Regis to Strada | 793.81 mi (1,277.52 km) |
| Houghton Regis to Stradella | 650.40 mi (1,046.72 km) |
| Houghton Regis to Striano | 1,046.96 mi (1,684.92 km) |
| Houghton Regis to Subiaco | 939.34 mi (1,511.72 km) |
| Houghton Regis to Sulmona | 959.91 mi (1,544.83 km) |
