| River Falls to Snodland | 4,021.07 mi (6,471.29 km) |
| River Falls to Soham | 3,978.96 mi (6,403.51 km) |
| River Falls to Solihull | 3,900.72 mi (6,277.60 km) |
| River Falls to Sompting | 4,011.61 mi (6,456.05 km) |
| River Falls to South Hayling | 3,989.95 mi (6,421.20 km) |
| River Falls to South Normanton | 3,891.01 mi (6,261.98 km) |
| River Falls to South Ockendon | 4,008.29 mi (6,450.72 km) |
| River Falls to South Shields | 3,820.73 mi (6,148.87 km) |
| River Falls to Southall | 3,984.40 mi (6,412.26 km) |
| River Falls to Southampton | 3,969.99 mi (6,389.08 km) |
| River Falls to Southborough | 4,020.96 mi (6,471.11 km) |
| River Falls to Southbourne | 3,962.27 mi (6,376.66 km) |
| River Falls to Southend | 4,022.02 mi (6,472.81 km) |
| River Falls to Southgate | 3,988.93 mi (6,419.57 km) |
| River Falls to Southport | 3,813.05 mi (6,136.51 km) |
