| Echelon to Snodland | 3,566.75 mi (5,740.13 km) |
| Echelon to Soham | 3,540.60 mi (5,698.05 km) |
| Echelon to Solihull | 3,453.74 mi (5,558.25 km) |
| Echelon to Sompting | 3,545.31 mi (5,705.63 km) |
| Echelon to South Hayling | 3,519.81 mi (5,664.59 km) |
| Echelon to South Normanton | 3,457.84 mi (5,564.86 km) |
| Echelon to South Ockendon | 3,556.36 mi (5,723.41 km) |
| Echelon to South Shields | 3,420.14 mi (5,504.18 km) |
| Echelon to Southall | 3,529.02 mi (5,679.42 km) |
| Echelon to Southampton | 3,499.63 mi (5,632.12 km) |
| Echelon to Southborough | 3,563.01 mi (5,734.11 km) |
| Echelon to Southbourne | 3,487.05 mi (5,611.86 km) |
| Echelon to Southend | 3,572.61 mi (5,749.57 km) |
| Echelon to Southgate | 3,536.75 mi (5,691.85 km) |
| Echelon to Southport | 3,381.91 mi (5,442.67 km) |
