| Smolyan to Stockach | 881.30 mi (1,418.31 km) |
| Smolyan to Stockelsdorf | 1,067.60 mi (1,718.14 km) |
| Smolyan to Stolberg | 1,082.85 mi (1,742.69 km) |
| Smolyan to Stollberg | 848.32 mi (1,365.24 km) |
| Smolyan to Straelen | 1,105.05 mi (1,778.41 km) |
| Smolyan to Stralsund | 1,027.67 mi (1,653.87 km) |
| Smolyan to Straubing | 774.83 mi (1,246.98 km) |
| Smolyan to Strausberg | 912.50 mi (1,468.52 km) |
| Smolyan to Stuhr | 1,082.70 mi (1,742.44 km) |
| Smolyan to Stuttgart | 902.00 mi (1,451.63 km) |
| Smolyan to Sudlohn | 1,101.48 mi (1,772.65 km) |
| Smolyan to Suhl | 913.39 mi (1,469.97 km) |
| Smolyan to Sulingen | 1,065.55 mi (1,714.85 km) |
| Smolyan to Sulz am Neckar | 911.80 mi (1,467.40 km) |
| Smolyan to Sulzbach | 973.49 mi (1,566.68 km) |
