| Astorga to Sestu | 819.99 mi (1,319.65 km) |
| Astorga to Settimo Torinese | 713.05 mi (1,147.54 km) |
| Astorga to Seveso | 784.87 mi (1,263.13 km) |
| Astorga to Sezze | 982.72 mi (1,581.53 km) |
| Astorga to Siano | 1,075.37 mi (1,730.64 km) |
| Astorga to Siena | 880.98 mi (1,417.79 km) |
| Astorga to Signa | 868.82 mi (1,398.23 km) |
| Astorga to Silea | 935.73 mi (1,505.91 km) |
| Astorga to Silvi Paese | 1,025.49 mi (1,650.37 km) |
| Astorga to Sinalunga | 901.48 mi (1,450.79 km) |
| Astorga to Siniscola | 824.41 mi (1,326.76 km) |
| Astorga to Sinnai | 825.50 mi (1,328.51 km) |
| Astorga to Siracusa | 1,189.75 mi (1,914.71 km) |
| Astorga to Solaro | 781.97 mi (1,258.45 km) |
| Astorga to Soliera | 862.81 mi (1,388.56 km) |
