| Suwalki to Sestu | 1,209.92 mi (1,947.17 km) |
| Suwalki to Settimo Torinese | 915.43 mi (1,473.25 km) |
| Suwalki to Seveso | 844.89 mi (1,359.72 km) |
| Suwalki to Sezze | 981.35 mi (1,579.33 km) |
| Suwalki to Siano | 994.40 mi (1,600.33 km) |
| Suwalki to Siena | 910.95 mi (1,466.04 km) |
| Suwalki to Signa | 889.79 mi (1,431.98 km) |
| Suwalki to Silea | 749.67 mi (1,206.48 km) |
| Suwalki to Silvi Paese | 893.18 mi (1,437.43 km) |
| Suwalki to Sinalunga | 906.70 mi (1,459.19 km) |
| Suwalki to Siniscola | 1,117.17 mi (1,797.92 km) |
| Suwalki to Sinnai | 1,206.95 mi (1,942.40 km) |
| Suwalki to Siracusa | 1,231.56 mi (1,982.00 km) |
| Suwalki to Solaro | 848.07 mi (1,364.83 km) |
| Suwalki to Soliera | 839.95 mi (1,351.76 km) |
