| Ruislip to Soham | 61.76 mi (99.39 km) |
| Ruislip to Solihull | 81.35 mi (130.92 km) |
| Ruislip to Sompting | 51.68 mi (83.17 km) |
| Ruislip to South Hayling | 59.35 mi (95.51 km) |
| Ruislip to South Normanton | 112.54 mi (181.11 km) |
| Ruislip to South Ockendon | 31.54 mi (50.75 km) |
| Ruislip to South Shields | 239.79 mi (385.90 km) |
| Ruislip to Southall | 5.01 mi (8.06 km) |
| Ruislip to Southampton | 62.69 mi (100.89 km) |
| Ruislip to Southborough | 41.64 mi (67.02 km) |
| Ruislip to Southbourne | 83.55 mi (134.47 km) |
| Ruislip to Southend | 49.13 mi (79.06 km) |
| Ruislip to Southgate | 13.70 mi (22.05 km) |
| Ruislip to Southport | 179.23 mi (288.44 km) |
| Ruislip to Southwater | 38.31 mi (61.66 km) |
