| Middlesex to Shoreham-by-Sea | 3,496.35 mi (5,626.83 km) |
| Middlesex to Shotley Bridge | 3,352.39 mi (5,395.15 km) |
| Middlesex to Shrewsbury | 3,356.42 mi (5,401.63 km) |
| Middlesex to Sidcup | 3,498.56 mi (5,630.39 km) |
| Middlesex to Sidmouth | 3,376.43 mi (5,433.84 km) |
| Middlesex to Sileby | 3,422.14 mi (5,507.40 km) |
| Middlesex to Sittingbourne | 3,526.50 mi (5,675.35 km) |
| Middlesex to Skegness | 3,471.34 mi (5,586.59 km) |
| Middlesex to Skelmersdale | 3,340.01 mi (5,375.22 km) |
| Middlesex to Skipton | 3,362.48 mi (5,411.39 km) |
| Middlesex to Sleaford | 3,444.42 mi (5,543.27 km) |
| Middlesex to Slough | 3,468.57 mi (5,582.13 km) |
| Middlesex to Small Heath | 3,397.42 mi (5,467.62 km) |
| Middlesex to Smethwick | 3,392.21 mi (5,459.23 km) |
| Middlesex to Snaresbrook | 3,491.44 mi (5,618.92 km) |
