| Houghton Regis to Soham | 47.07 mi (75.76 km) |
| Houghton Regis to Solihull | 63.71 mi (102.54 km) |
| Houghton Regis to Sompting | 74.61 mi (120.07 km) |
| Houghton Regis to South Hayling | 79.56 mi (128.04 km) |
| Houghton Regis to South Normanton | 89.97 mi (144.79 km) |
| Houghton Regis to South Ockendon | 43.98 mi (70.78 km) |
| Houghton Regis to South Shields | 216.79 mi (348.90 km) |
| Houghton Regis to Southall | 27.79 mi (44.72 km) |
| Houghton Regis to Southampton | 78.89 mi (126.97 km) |
| Houghton Regis to Southborough | 61.61 mi (99.15 km) |
| Houghton Regis to Southbourne | 98.45 mi (158.44 km) |
| Houghton Regis to Southend | 58.22 mi (93.70 km) |
| Houghton Regis to Southgate | 25.37 mi (40.84 km) |
| Houghton Regis to Southport | 158.92 mi (255.76 km) |
| Houghton Regis to Southwater | 61.26 mi (98.59 km) |
