| Rock Island to Snodland | 4,106.12 mi (6,608.15 km) |
| Rock Island to Soham | 4,068.06 mi (6,546.91 km) |
| Rock Island to Solihull | 3,986.92 mi (6,416.33 km) |
| Rock Island to Sompting | 4,093.28 mi (6,587.50 km) |
| Rock Island to South Hayling | 4,070.41 mi (6,550.68 km) |
| Rock Island to South Normanton | 3,980.89 mi (6,406.62 km) |
| Rock Island to South Ockendon | 4,093.90 mi (6,588.50 km) |
| Rock Island to South Shields | 3,918.71 mi (6,306.55 km) |
| Rock Island to Southall | 4,068.90 mi (6,548.26 km) |
| Rock Island to Southampton | 4,050.25 mi (6,518.25 km) |
| Rock Island to Southborough | 4,105.01 mi (6,606.37 km) |
| Rock Island to Southbourne | 4,041.12 mi (6,503.55 km) |
| Rock Island to Southend | 4,108.42 mi (6,611.86 km) |
| Rock Island to Southgate | 4,074.34 mi (6,557.02 km) |
| Rock Island to Southport | 3,902.89 mi (6,281.10 km) |
