| Hugo to Smolyan | 5,316.44 mi (8,555.98 km) |
| Hugo to Sofia | 5,212.20 mi (8,388.22 km) |
| Hugo to Sopot | 5,261.57 mi (8,467.68 km) |
| Hugo to Sozopol | 5,368.97 mi (8,640.52 km) |
| Hugo to Sredets | 5,356.69 mi (8,620.75 km) |
| Hugo to Stamboliyski | 5,281.80 mi (8,500.23 km) |
| Hugo to Stara Zagora | 5,302.38 mi (8,533.35 km) |
| Hugo to Svilengrad | 5,355.88 mi (8,619.45 km) |
| Hugo to Svishtov | 5,229.76 mi (8,416.48 km) |
| Hugo to Targovishte | 5,288.65 mi (8,511.26 km) |
| Hugo to Teteven | 5,231.68 mi (8,419.58 km) |
| Hugo to Troyan | 5,248.14 mi (8,446.07 km) |
| Hugo to Tryavna | 5,274.42 mi (8,488.37 km) |
| Hugo to Tutrakan | 5,246.84 mi (8,443.98 km) |
| Hugo to Varna | 5,332.44 mi (8,581.74 km) |
