| Echelon to Sudbury | 3,562.63 mi (5,733.50 km) |
| Echelon to Sunbury | 3,529.03 mi (5,679.43 km) |
| Echelon to Sunderland | 3,423.56 mi (5,509.68 km) |
| Echelon to Sunninghill | 3,520.00 mi (5,664.89 km) |
| Echelon to Surbiton | 3,534.45 mi (5,688.14 km) |
| Echelon to Sutton | 3,539.60 mi (5,696.43 km) |
| Echelon to Sutton Coldfield | 3,449.06 mi (5,550.73 km) |
| Echelon to Sutton in Ashfield | 3,460.77 mi (5,569.57 km) |
| Echelon to Sutton on Hull | 3,485.97 mi (5,610.13 km) |
| Echelon to Swadlincote | 3,455.67 mi (5,561.36 km) |
| Echelon to Swallownest | 3,453.71 mi (5,558.21 km) |
| Echelon to Swanage | 3,482.67 mi (5,604.82 km) |
| Echelon to Swindon | 3,470.55 mi (5,585.31 km) |
| Echelon to Swinton | 3,451.75 mi (5,555.06 km) |
| Echelon to Swinton | 3,410.64 mi (5,488.89 km) |
