| Harmanli to Siegburg | 1,076.75 mi (1,732.87 km) |
| Harmanli to Siegen | 1,048.24 mi (1,686.97 km) |
| Harmanli to Sigmaringen | 916.52 mi (1,474.99 km) |
| Harmanli to Simbach am Inn | 764.09 mi (1,229.69 km) |
| Harmanli to Simmerath | 1,106.08 mi (1,780.06 km) |
| Harmanli to Sindelfingen | 942.12 mi (1,516.20 km) |
| Harmanli to Sinsheim | 962.36 mi (1,548.76 km) |
| Harmanli to Sinzheim | 978.53 mi (1,574.79 km) |
| Harmanli to Sinzig | 1,066.85 mi (1,716.93 km) |
| Harmanli to Soest | 1,068.82 mi (1,720.09 km) |
| Harmanli to Solingen | 1,093.22 mi (1,759.36 km) |
| Harmanli to Soltau | 1,065.96 mi (1,715.50 km) |
| Harmanli to Sommerda | 945.49 mi (1,521.62 km) |
| Harmanli to Sondershausen | 962.63 mi (1,549.20 km) |
| Harmanli to Sonneberg | 911.29 mi (1,466.58 km) |
