| Gijon to Smolyan | 1,544.37 mi (2,485.42 km) |
| Gijon to Sofia | 1,457.83 mi (2,346.15 km) |
| Gijon to Sopot | 1,529.00 mi (2,460.69 km) |
| Gijon to Sozopol | 1,678.83 mi (2,701.81 km) |
| Gijon to Sredets | 1,655.20 mi (2,663.79 km) |
| Gijon to Stamboliyski | 1,526.48 mi (2,456.64 km) |
| Gijon to Stara Zagora | 1,577.02 mi (2,537.97 km) |
| Gijon to Svilengrad | 1,615.74 mi (2,600.29 km) |
| Gijon to Svishtov | 1,545.09 mi (2,486.59 km) |
| Gijon to Targovishte | 1,610.73 mi (2,592.22 km) |
| Gijon to Teteven | 1,501.12 mi (2,415.81 km) |
| Gijon to Troyan | 1,523.87 mi (2,452.44 km) |
| Gijon to Tryavna | 1,562.86 mi (2,515.18 km) |
| Gijon to Tutrakan | 1,601.81 mi (2,577.87 km) |
| Gijon to Varna | 1,676.83 mi (2,698.60 km) |
