| Southwick to Shoreham-by-Sea | 1.49 mi (2.40 km) |
| Southwick to Shotley Bridge | 286.79 mi (461.54 km) |
| Southwick to Shrewsbury | 168.18 mi (270.66 km) |
| Southwick to Sidcup | 43.39 mi (69.83 km) |
| Southwick to Sidmouth | 131.56 mi (211.72 km) |
| Southwick to Sileby | 136.07 mi (218.99 km) |
| Southwick to Sittingbourne | 54.93 mi (88.41 km) |
| Southwick to Skegness | 161.35 mi (259.67 km) |
| Southwick to Skelmersdale | 216.09 mi (347.77 km) |
| Southwick to Skipton | 228.63 mi (367.94 km) |
| Southwick to Sleaford | 149.43 mi (240.48 km) |
| Southwick to Slough | 48.86 mi (78.63 km) |
| Southwick to Small Heath | 132.02 mi (212.46 km) |
| Southwick to Smethwick | 136.39 mi (219.49 km) |
| Southwick to Snaresbrook | 53.04 mi (85.36 km) |
