| Echelon to Solofra | 4,500.18 mi (7,242.35 km) |
| Echelon to Somma Lombardo | 4,065.81 mi (6,543.29 km) |
| Echelon to Somma Vesuviana | 4,480.46 mi (7,210.60 km) |
| Echelon to Sommacampagna | 4,167.11 mi (6,706.31 km) |
| Echelon to Sona | 4,165.31 mi (6,703.42 km) |
| Echelon to Sondrio | 4,100.57 mi (6,599.23 km) |
| Echelon to Sora | 4,413.62 mi (7,103.03 km) |
| Echelon to Sorbolo | 4,167.96 mi (6,707.68 km) |
| Echelon to Soresina | 4,128.19 mi (6,643.68 km) |
| Echelon to Sorisole | 4,105.16 mi (6,606.62 km) |
| Echelon to Sorrento | 4,486.61 mi (7,220.50 km) |
| Echelon to Sorso | 4,219.59 mi (6,790.77 km) |
| Echelon to Sortino | 4,646.17 mi (7,477.28 km) |
| Echelon to Soverato Marina | 4,656.80 mi (7,494.39 km) |
| Echelon to Sovicille | 4,254.17 mi (6,846.42 km) |
