| Altoona to Sestu | 4,427.34 mi (7,125.11 km) |
| Altoona to Settimo Torinese | 4,162.83 mi (6,699.43 km) |
| Altoona to Seveso | 4,203.56 mi (6,764.97 km) |
| Altoona to Sezze | 4,520.68 mi (7,275.33 km) |
| Altoona to Siano | 4,617.85 mi (7,431.71 km) |
| Altoona to Siena | 4,378.49 mi (7,046.51 km) |
| Altoona to Signa | 4,351.80 mi (7,003.55 km) |
| Altoona to Silea | 4,334.79 mi (6,976.18 km) |
| Altoona to Silvi Paese | 4,525.80 mi (7,283.57 km) |
| Altoona to Sinalunga | 4,399.37 mi (7,080.11 km) |
| Altoona to Siniscola | 4,407.42 mi (7,093.06 km) |
| Altoona to Sinnai | 4,432.24 mi (7,133.00 km) |
| Altoona to Siracusa | 4,792.23 mi (7,712.35 km) |
| Altoona to Solaro | 4,202.28 mi (6,762.91 km) |
| Altoona to Soliera | 4,310.23 mi (6,936.65 km) |
