| Sintra to Selargius | 994.38 mi (1,600.29 km) |
| Sintra to Selvazzano Dentro | 1,172.51 mi (1,886.97 km) |
| Sintra to Senago | 1,054.29 mi (1,696.71 km) |
| Sintra to Senigallia | 1,217.98 mi (1,960.15 km) |
| Sintra to Seravezza | 1,075.41 mi (1,730.70 km) |
| Sintra to Seregno | 1,058.89 mi (1,704.11 km) |
| Sintra to Seriate | 1,083.24 mi (1,743.31 km) |
| Sintra to Sermoneta | 1,192.80 mi (1,919.62 km) |
| Sintra to Serramanna | 980.88 mi (1,578.58 km) |
| Sintra to Serravalle Pistoiese | 1,103.12 mi (1,775.30 km) |
| Sintra to Sessa Aurunca | 1,241.68 mi (1,998.30 km) |
| Sintra to Sesto Calende | 1,035.30 mi (1,666.15 km) |
| Sintra to Sesto Fiorentino | 1,120.12 mi (1,802.66 km) |
| Sintra to Sesto San Giovanni | 1,057.68 mi (1,702.17 km) |
| Sintra to Sestri Levante | 1,039.45 mi (1,672.83 km) |
