| Estremoz to Sestu | 893.71 mi (1,438.28 km) |
| Estremoz to Settimo Torinese | 897.79 mi (1,444.86 km) |
| Estremoz to Seveso | 972.81 mi (1,565.59 km) |
| Estremoz to Sezze | 1,102.70 mi (1,774.62 km) |
| Estremoz to Siano | 1,186.56 mi (1,909.58 km) |
| Estremoz to Siena | 1,029.66 mi (1,657.08 km) |
| Estremoz to Signa | 1,025.01 mi (1,649.59 km) |
| Estremoz to Silea | 1,116.16 mi (1,796.28 km) |
| Estremoz to Silvi Paese | 1,161.62 mi (1,869.45 km) |
| Estremoz to Sinalunga | 1,048.25 mi (1,687.00 km) |
| Estremoz to Siniscola | 924.60 mi (1,488.00 km) |
| Estremoz to Sinnai | 899.63 mi (1,447.82 km) |
| Estremoz to Siracusa | 1,248.69 mi (2,009.57 km) |
| Estremoz to Solaro | 969.67 mi (1,560.53 km) |
| Estremoz to Soliera | 1,033.53 mi (1,663.31 km) |
