| Sinnai to Saarijarvi | 1,749.78 mi (2,815.99 km) |
| Sinnai to Salo | 1,575.72 mi (2,535.88 km) |
| Sinnai to Sastamala | 1,630.61 mi (2,624.22 km) |
| Sinnai to Savonlinna | 1,766.12 mi (2,842.30 km) |
| Sinnai to Seinajoki | 1,719.34 mi (2,767.01 km) |
| Sinnai to Siilinjarvi | 1,811.39 mi (2,915.16 km) |
| Sinnai to Sipoo | 1,612.60 mi (2,595.23 km) |
| Sinnai to Sippola | 1,666.23 mi (2,681.54 km) |
| Sinnai to Sodankyla | 2,053.57 mi (3,304.91 km) |
| Sinnai to Somero | 1,597.11 mi (2,570.31 km) |
| Sinnai to Sotkamo | 1,884.56 mi (3,032.91 km) |
| Sinnai to Tampere | 1,653.35 mi (2,660.82 km) |
| Sinnai to Tornio | 1,926.96 mi (3,101.14 km) |
| Sinnai to Turku | 1,565.95 mi (2,520.15 km) |
| Sinnai to Tuusula | 1,611.85 mi (2,594.02 km) |
