| Sinnai to Santa Venerina | 339.57 mi (546.48 km) |
| Sinnai to Santeramo in Colle | 413.04 mi (664.73 km) |
| Sinnai to Santo Stefano di Magra | 337.78 mi (543.61 km) |
| Sinnai to Santo Stino di Livenza | 478.24 mi (769.65 km) |
| Sinnai to Sarezzo | 441.48 mi (710.50 km) |
| Sinnai to Sarno | 304.73 mi (490.42 km) |
| Sinnai to Saronno | 436.95 mi (703.21 km) |
| Sinnai to Sarzana | 334.69 mi (538.63 km) |
| Sinnai to Sassari | 104.13 mi (167.58 km) |
| Sinnai to Sasso Marconi | 367.58 mi (591.56 km) |
| Sinnai to Sassuolo | 371.67 mi (598.14 km) |
| Sinnai to Sava | 449.89 mi (724.03 km) |
| Sinnai to Saviano | 302.06 mi (486.12 km) |
| Sinnai to Savigliano | 378.14 mi (608.56 km) |
| Sinnai to Savignano sul Panaro | 370.09 mi (595.61 km) |
