| Bishopbriggs to Smolyan | 1,628.08 mi (2,620.15 km) |
| Bishopbriggs to Sofia | 1,523.79 mi (2,452.31 km) |
| Bishopbriggs to Sopot | 1,576.45 mi (2,537.05 km) |
| Bishopbriggs to Sozopol | 1,694.12 mi (2,726.43 km) |
| Bishopbriggs to Sredets | 1,679.18 mi (2,702.39 km) |
| Bishopbriggs to Stamboliyski | 1,594.47 mi (2,566.05 km) |
| Bishopbriggs to Stara Zagora | 1,619.25 mi (2,605.93 km) |
| Bishopbriggs to Svilengrad | 1,671.93 mi (2,690.70 km) |
| Bishopbriggs to Svishtov | 1,551.14 mi (2,496.31 km) |
| Bishopbriggs to Targovishte | 1,613.43 mi (2,596.56 km) |
| Bishopbriggs to Teteven | 1,546.13 mi (2,488.25 km) |
| Bishopbriggs to Troyan | 1,563.79 mi (2,516.68 km) |
| Bishopbriggs to Tryavna | 1,592.65 mi (2,563.13 km) |
| Bishopbriggs to Tutrakan | 1,577.03 mi (2,537.98 km) |
| Bishopbriggs to Varna | 1,663.85 mi (2,677.71 km) |
