| Kyustendil to Settimo Torinese | 769.35 mi (1,238.14 km) |
| Kyustendil to Seveso | 711.49 mi (1,145.03 km) |
| Kyustendil to Sezze | 497.30 mi (800.32 km) |
| Kyustendil to Siano | 425.43 mi (684.67 km) |
| Kyustendil to Siena | 579.45 mi (932.54 km) |
| Kyustendil to Signa | 593.60 mi (955.30 km) |
| Kyustendil to Silea | 566.03 mi (910.94 km) |
| Kyustendil to Silvi Paese | 437.17 mi (703.56 km) |
| Kyustendil to Sinalunga | 558.89 mi (899.44 km) |
| Kyustendil to Siniscola | 682.37 mi (1,098.16 km) |
| Kyustendil to Sinnai | 733.68 mi (1,180.74 km) |
| Kyustendil to Siracusa | 532.97 mi (857.73 km) |
| Kyustendil to Solaro | 713.52 mi (1,148.29 km) |
| Kyustendil to Soliera | 612.52 mi (985.76 km) |
| Kyustendil to Solofra | 417.03 mi (671.14 km) |
