| Sintra to Spello | 1,184.22 mi (1,905.81 km) |
| Sintra to Spilamberto | 1,121.54 mi (1,804.95 km) |
| Sintra to Spilimbergo | 1,237.60 mi (1,991.73 km) |
| Sintra to Spinea | 1,192.15 mi (1,918.59 km) |
| Sintra to Spoleto | 1,183.13 mi (1,904.06 km) |
| Sintra to Spoltore | 1,255.10 mi (2,019.89 km) |
| Sintra to Spresiano | 1,201.70 mi (1,933.95 km) |
| Sintra to Squinzano | 1,458.88 mi (2,347.84 km) |
| Sintra to Statte | 1,413.67 mi (2,275.08 km) |
| Sintra to Stezzano | 1,079.51 mi (1,737.30 km) |
| Sintra to Strada | 1,122.70 mi (1,806.82 km) |
| Sintra to Stradella | 1,050.80 mi (1,691.09 km) |
| Sintra to Striano | 1,275.07 mi (2,052.03 km) |
| Sintra to Subiaco | 1,199.88 mi (1,931.03 km) |
| Sintra to Sulmona | 1,242.64 mi (1,999.84 km) |
