| Socuellamos to Smolyan | 1,448.30 mi (2,330.81 km) |
| Socuellamos to Sofia | 1,376.80 mi (2,215.75 km) |
| Socuellamos to Sopot | 1,448.91 mi (2,331.79 km) |
| Socuellamos to Sozopol | 1,599.44 mi (2,574.05 km) |
| Socuellamos to Sredets | 1,574.15 mi (2,533.35 km) |
| Socuellamos to Stamboliyski | 1,438.32 mi (2,314.75 km) |
| Socuellamos to Stara Zagora | 1,494.91 mi (2,405.82 km) |
| Socuellamos to Svilengrad | 1,524.92 mi (2,454.12 km) |
| Socuellamos to Svishtov | 1,480.21 mi (2,382.16 km) |
| Socuellamos to Targovishte | 1,541.63 mi (2,481.01 km) |
| Socuellamos to Teteven | 1,424.52 mi (2,292.55 km) |
| Socuellamos to Troyan | 1,447.27 mi (2,329.15 km) |
| Socuellamos to Tryavna | 1,486.93 mi (2,392.98 km) |
| Socuellamos to Tutrakan | 1,544.34 mi (2,485.38 km) |
| Socuellamos to Varna | 1,608.76 mi (2,589.05 km) |
