| Houghton Regis to Selargius | 989.64 mi (1,592.67 km) |
| Houghton Regis to Selvazzano Dentro | 718.58 mi (1,156.44 km) |
| Houghton Regis to Senago | 618.97 mi (996.14 km) |
| Houghton Regis to Senigallia | 850.10 mi (1,368.11 km) |
| Houghton Regis to Seravezza | 737.44 mi (1,186.80 km) |
| Houghton Regis to Seregno | 617.70 mi (994.09 km) |
| Houghton Regis to Seriate | 632.94 mi (1,018.62 km) |
| Houghton Regis to Sermoneta | 956.65 mi (1,539.58 km) |
| Houghton Regis to Serramanna | 973.69 mi (1,567.00 km) |
| Houghton Regis to Serravalle Pistoiese | 761.58 mi (1,225.65 km) |
| Houghton Regis to Sessa Aurunca | 1,003.97 mi (1,615.73 km) |
| Houghton Regis to Sesto Calende | 595.25 mi (957.96 km) |
| Houghton Regis to Sesto Fiorentino | 776.80 mi (1,250.15 km) |
| Houghton Regis to Sesto San Giovanni | 624.77 mi (1,005.47 km) |
| Houghton Regis to Sestri Levante | 696.95 mi (1,121.63 km) |
