| Tulcea to Sestu | 1,083.58 mi (1,743.85 km) |
| Tulcea to Settimo Torinese | 1,021.80 mi (1,644.43 km) |
| Tulcea to Seveso | 951.75 mi (1,531.69 km) |
| Tulcea to Sezze | 829.05 mi (1,334.23 km) |
| Tulcea to Siano | 773.25 mi (1,244.43 km) |
| Tulcea to Siena | 872.34 mi (1,403.90 km) |
| Tulcea to Signa | 876.08 mi (1,409.92 km) |
| Tulcea to Silea | 799.55 mi (1,286.76 km) |
| Tulcea to Silvi Paese | 752.61 mi (1,211.21 km) |
| Tulcea to Sinalunga | 854.59 mi (1,375.33 km) |
| Tulcea to Siniscola | 1,015.54 mi (1,634.35 km) |
| Tulcea to Sinnai | 1,078.24 mi (1,735.26 km) |
| Tulcea to Siracusa | 897.57 mi (1,444.50 km) |
| Tulcea to Solaro | 954.50 mi (1,536.13 km) |
| Tulcea to Soliera | 872.65 mi (1,404.40 km) |
