| Pottstown to Solofra | 4,513.40 mi (7,263.62 km) |
| Pottstown to Somma Lombardo | 4,077.38 mi (6,561.91 km) |
| Pottstown to Somma Vesuviana | 4,493.78 mi (7,232.04 km) |
| Pottstown to Sommacampagna | 4,178.29 mi (6,724.30 km) |
| Pottstown to Sona | 4,176.47 mi (6,721.37 km) |
| Pottstown to Sondrio | 4,111.44 mi (6,616.72 km) |
| Pottstown to Sora | 4,426.62 mi (7,123.96 km) |
| Pottstown to Sorbolo | 4,179.67 mi (6,726.52 km) |
| Pottstown to Soresina | 4,139.74 mi (6,662.26 km) |
| Pottstown to Sorisole | 4,116.42 mi (6,624.74 km) |
| Pottstown to Sorrento | 4,500.13 mi (7,242.25 km) |
| Pottstown to Sorso | 4,234.84 mi (6,815.31 km) |
| Pottstown to Sortino | 4,661.76 mi (7,502.38 km) |
| Pottstown to Soverato Marina | 4,670.88 mi (7,517.05 km) |
| Pottstown to Sovicille | 4,266.80 mi (6,866.75 km) |
