| Harmanli to Somma Lombardo | 893.87 mi (1,438.55 km) |
| Harmanli to Somma Vesuviana | 598.12 mi (962.59 km) |
| Harmanli to Sommacampagna | 788.02 mi (1,268.20 km) |
| Harmanli to Sona | 789.31 mi (1,270.27 km) |
| Harmanli to Sondrio | 846.30 mi (1,361.99 km) |
| Harmanli to Sora | 632.07 mi (1,017.22 km) |
| Harmanli to Sorbolo | 800.12 mi (1,287.67 km) |
| Harmanli to Soresina | 833.74 mi (1,341.78 km) |
| Harmanli to Sorisole | 849.39 mi (1,366.97 km) |
| Harmanli to Sorrento | 604.76 mi (973.27 km) |
| Harmanli to Sorso | 900.14 mi (1,448.64 km) |
| Harmanli to Sortino | 665.30 mi (1,070.70 km) |
| Harmanli to Soverato Marina | 541.01 mi (870.66 km) |
| Harmanli to Sovicille | 750.66 mi (1,208.07 km) |
| Harmanli to Spello | 677.48 mi (1,090.29 km) |
