| Altadena to Sestu | 6,342.29 mi (10,206.93 km) |
| Altadena to Settimo Torinese | 5,996.08 mi (9,649.75 km) |
| Altadena to Seveso | 6,014.00 mi (9,678.59 km) |
| Altadena to Sezze | 6,359.72 mi (10,234.98 km) |
| Altadena to Siano | 6,449.81 mi (10,379.96 km) |
| Altadena to Siena | 6,206.40 mi (9,988.23 km) |
| Altadena to Signa | 6,174.29 mi (9,936.56 km) |
| Altadena to Silea | 6,111.76 mi (9,835.93 km) |
| Altadena to Silvi Paese | 6,335.95 mi (10,196.73 km) |
| Altadena to Sinalunga | 6,224.69 mi (10,017.67 km) |
| Altadena to Siniscola | 6,296.83 mi (10,133.77 km) |
| Altadena to Sinnai | 6,346.04 mi (10,212.97 km) |
| Altadena to Siracusa | 6,674.30 mi (10,741.24 km) |
| Altadena to Solaro | 6,013.77 mi (9,678.23 km) |
| Altadena to Soliera | 6,118.12 mi (9,846.16 km) |
