| Smolyan to Srem | 810.60 mi (1,304.53 km) |
| Smolyan to Sroda Slaska | 764.88 mi (1,230.95 km) |
| Smolyan to Sroda Wielkopolska | 813.86 mi (1,309.78 km) |
| Smolyan to Stalowa Wola | 633.44 mi (1,019.43 km) |
| Smolyan to Starachowice | 676.45 mi (1,088.65 km) |
| Smolyan to Stargard Szczecinski | 926.72 mi (1,491.41 km) |
| Smolyan to Starogard Gdanski | 901.41 mi (1,450.67 km) |
| Smolyan to Stary Sacz | 585.07 mi (941.57 km) |
| Smolyan to Staszow | 643.02 mi (1,034.84 km) |
| Smolyan to Strzegom | 759.87 mi (1,222.90 km) |
| Smolyan to Strzelce Krajenskie | 889.30 mi (1,431.20 km) |
| Smolyan to Strzelce Opolskie | 688.05 mi (1,107.30 km) |
| Smolyan to Strzelin | 732.17 mi (1,178.32 km) |
| Smolyan to Strzyzow | 590.35 mi (950.08 km) |
| Smolyan to Sucha Beskidzka | 614.91 mi (989.60 km) |
