| Smolyan to Ruzomberok | 579.96 mi (933.36 km) |
| Smolyan to Sabinov | 548.44 mi (882.63 km) |
| Smolyan to Sal'a | 562.98 mi (906.03 km) |
| Smolyan to Samorin | 573.36 mi (922.74 km) |
| Smolyan to Senec | 580.69 mi (934.52 km) |
| Smolyan to Senica | 606.21 mi (975.61 km) |
| Smolyan to Sered' | 574.64 mi (924.79 km) |
| Smolyan to Skalica | 618.91 mi (996.04 km) |
| Smolyan to Smizany | 548.05 mi (882.00 km) |
| Smolyan to Snina | 526.27 mi (846.94 km) |
| Smolyan to Spisska Nova Ves | 546.62 mi (879.70 km) |
| Smolyan to Stara L'ubovna | 568.08 mi (914.24 km) |
| Smolyan to Stara Tura | 602.24 mi (969.21 km) |
| Smolyan to Stropkov | 546.86 mi (880.09 km) |
| Smolyan to Stupava | 594.74 mi (957.14 km) |
