| River Ridge to Snodland | 4,659.93 mi (7,499.43 km) |
| River Ridge to Soham | 4,631.69 mi (7,453.98 km) |
| River Ridge to Solihull | 4,545.60 mi (7,315.44 km) |
| River Ridge to Sompting | 4,639.69 mi (7,466.87 km) |
| River Ridge to South Hayling | 4,614.49 mi (7,426.30 km) |
| River Ridge to South Normanton | 4,547.83 mi (7,319.03 km) |
| River Ridge to South Ockendon | 4,649.23 mi (7,482.20 km) |
| River Ridge to South Shields | 4,504.50 mi (7,249.29 km) |
| River Ridge to Southall | 4,622.19 mi (7,438.70 km) |
| River Ridge to Southampton | 4,594.27 mi (7,393.77 km) |
| River Ridge to Southborough | 4,656.58 mi (7,494.05 km) |
| River Ridge to Southbourne | 4,582.10 mi (7,374.17 km) |
| River Ridge to Southend | 4,665.24 mi (7,507.97 km) |
| River Ridge to Southgate | 4,629.57 mi (7,450.58 km) |
| River Ridge to Southport | 4,471.24 mi (7,195.77 km) |
