| San Martin de la Vega to Sestu | 675.04 mi (1,086.38 km) |
| San Martin de la Vega to Settimo Torinese | 668.08 mi (1,075.17 km) |
| San Martin de la Vega to Seveso | 743.32 mi (1,196.25 km) |
| San Martin de la Vega to Sezze | 872.75 mi (1,404.55 km) |
| San Martin de la Vega to Siano | 958.76 mi (1,542.98 km) |
| San Martin de la Vega to Siena | 796.31 mi (1,281.54 km) |
| San Martin de la Vega to Signa | 791.56 mi (1,273.90 km) |
| San Martin de la Vega to Silea | 884.49 mi (1,423.45 km) |
| San Martin de la Vega to Silvi Paese | 929.43 mi (1,495.77 km) |
| San Martin de la Vega to Sinalunga | 815.00 mi (1,311.61 km) |
| San Martin de la Vega to Siniscola | 698.03 mi (1,123.37 km) |
| San Martin de la Vega to Sinnai | 680.88 mi (1,095.77 km) |
| San Martin de la Vega to Siracusa | 1,038.57 mi (1,671.41 km) |
| San Martin de la Vega to Solaro | 740.13 mi (1,191.13 km) |
| San Martin de la Vega to Soliera | 800.86 mi (1,288.86 km) |
