| Two Rivers to Sestu | 4,689.43 mi (7,546.90 km) |
| Two Rivers to Settimo Torinese | 4,385.88 mi (7,058.39 km) |
| Two Rivers to Seveso | 4,417.47 mi (7,109.22 km) |
| Two Rivers to Sezze | 4,750.75 mi (7,645.60 km) |
| Two Rivers to Siano | 4,846.17 mi (7,799.15 km) |
| Two Rivers to Siena | 4,602.09 mi (7,406.35 km) |
| Two Rivers to Signa | 4,572.77 mi (7,359.16 km) |
| Two Rivers to Silea | 4,536.70 mi (7,301.11 km) |
| Two Rivers to Silvi Paese | 4,743.92 mi (7,634.60 km) |
| Two Rivers to Sinalunga | 4,622.15 mi (7,438.63 km) |
| Two Rivers to Siniscola | 4,657.88 mi (7,496.14 km) |
| Two Rivers to Sinnai | 4,693.86 mi (7,554.04 km) |
| Two Rivers to Siracusa | 5,043.69 mi (8,117.03 km) |
| Two Rivers to Solaro | 4,416.61 mi (7,107.85 km) |
| Two Rivers to Soliera | 4,524.53 mi (7,281.53 km) |
