| Humanes de Madrid to Smolyan | 1,485.48 mi (2,390.64 km) |
| Humanes de Madrid to Sofia | 1,409.83 mi (2,268.90 km) |
| Humanes de Madrid to Sopot | 1,482.04 mi (2,385.12 km) |
| Humanes de Madrid to Sozopol | 1,633.02 mi (2,628.10 km) |
| Humanes de Madrid to Sredets | 1,608.06 mi (2,587.91 km) |
| Humanes de Madrid to Stamboliyski | 1,473.45 mi (2,371.29 km) |
| Humanes de Madrid to Stara Zagora | 1,528.76 mi (2,460.30 km) |
| Humanes de Madrid to Svilengrad | 1,561.09 mi (2,512.34 km) |
| Humanes de Madrid to Svishtov | 1,509.61 mi (2,429.48 km) |
| Humanes de Madrid to Targovishte | 1,572.37 mi (2,530.49 km) |
| Humanes de Madrid to Teteven | 1,456.65 mi (2,344.25 km) |
| Humanes de Madrid to Troyan | 1,479.51 mi (2,381.04 km) |
| Humanes de Madrid to Tryavna | 1,519.17 mi (2,444.87 km) |
| Humanes de Madrid to Tutrakan | 1,572.14 mi (2,530.11 km) |
| Humanes de Madrid to Varna | 1,639.51 mi (2,638.54 km) |
