| Smolyan to Sremska Kamenica | 350.16 mi (563.52 km) |
| Smolyan to Sremska Mitrovica | 346.64 mi (557.86 km) |
| Smolyan to Sremski Karlovci | 345.89 mi (556.65 km) |
| Smolyan to Stara Pazova | 327.27 mi (526.70 km) |
| Smolyan to Subotica | 400.25 mi (644.15 km) |
| Smolyan to Surcin | 314.38 mi (505.95 km) |
| Smolyan to Surdulica | 150.78 mi (242.66 km) |
| Smolyan to Svilajnac | 253.90 mi (408.61 km) |
| Smolyan to Svrljig | 182.64 mi (293.93 km) |
| Smolyan to Temerin | 358.23 mi (576.52 km) |
| Smolyan to Titel | 333.67 mi (536.99 km) |
| Smolyan to Topola | 274.65 mi (442.01 km) |
| Smolyan to Trgoviste | 144.10 mi (231.90 km) |
| Smolyan to Trstenik | 234.99 mi (378.18 km) |
| Smolyan to Tutin | 243.70 mi (392.20 km) |
