| Sinnai to Selargius | 4.07 mi (6.55 km) |
| Sinnai to Selvazzano Dentro | 440.25 mi (708.51 km) |
| Sinnai to Senago | 433.97 mi (698.41 km) |
| Sinnai to Senigallia | 368.71 mi (593.38 km) |
| Sinnai to Seravezza | 328.88 mi (529.28 km) |
| Sinnai to Seregno | 438.56 mi (705.80 km) |
| Sinnai to Seriate | 441.74 mi (710.91 km) |
| Sinnai to Sermoneta | 252.23 mi (405.93 km) |
| Sinnai to Serramanna | 17.17 mi (27.64 km) |
| Sinnai to Serravalle Pistoiese | 328.61 mi (528.84 km) |
| Sinnai to Sessa Aurunca | 282.76 mi (455.05 km) |
| Sinnai to Sesto Calende | 445.26 mi (716.58 km) |
| Sinnai to Sesto Fiorentino | 329.59 mi (530.43 km) |
| Sinnai to Sesto San Giovanni | 430.50 mi (692.83 km) |
| Sinnai to Sestri Levante | 343.58 mi (552.94 km) |
