| Cities | Distance |
|---|---|
| Smolyan to Settimo Torinese | 883.43 mi (1,421.74 km) |
| Smolyan to Seveso | 825.86 mi (1,329.10 km) |
| Smolyan to Sezze | 601.18 mi (967.51 km) |
| Smolyan to Siano | 522.71 mi (841.22 km) |
| Smolyan to Siena | 691.22 mi (1,112.41 km) |
| Smolyan to Signa | 706.41 mi (1,136.86 km) |
| Smolyan to Silea | 680.24 mi (1,094.73 km) |
| Smolyan to Silvi Paese | 546.57 mi (879.62 km) |
| Smolyan to Sinalunga | 670.44 mi (1,078.96 km) |
| Smolyan to Siniscola | 783.54 mi (1,260.99 km) |
| Smolyan to Sinnai | 828.78 mi (1,333.79 km) |
| Smolyan to Siracusa | 591.38 mi (951.74 km) |
| Smolyan to Solaro | 827.89 mi (1,332.35 km) |
| Smolyan to Soliera | 726.64 mi (1,169.41 km) |
| Smolyan to Solofra | 514.34 mi (827.74 km) |