| Regensburg to Settimo Torinese | 336.41 mi (541.40 km) |
| Regensburg to Seveso | 270.79 mi (435.79 km) |
| Regensburg to Sezze | 521.54 mi (839.34 km) |
| Regensburg to Siano | 581.65 mi (936.08 km) |
| Regensburg to Siena | 395.36 mi (636.26 km) |
| Regensburg to Signa | 364.61 mi (586.78 km) |
| Regensburg to Silea | 232.51 mi (374.18 km) |
| Regensburg to Silvi Paese | 457.37 mi (736.07 km) |
| Regensburg to Sinalunga | 401.09 mi (645.49 km) |
| Regensburg to Siniscola | 594.86 mi (957.33 km) |
| Regensburg to Sinnai | 686.06 mi (1,104.10 km) |
| Regensburg to Siracusa | 840.99 mi (1,353.45 km) |
| Regensburg to Solaro | 273.77 mi (440.60 km) |
| Regensburg to Soliera | 300.64 mi (483.83 km) |
| Regensburg to Solofra | 581.28 mi (935.49 km) |
