| Saltcoats to Smolyan | 1,640.33 mi (2,639.85 km) |
| Saltcoats to Sofia | 1,536.08 mi (2,472.08 km) |
| Saltcoats to Sopot | 1,589.57 mi (2,558.16 km) |
| Saltcoats to Sozopol | 1,708.72 mi (2,749.93 km) |
| Saltcoats to Sredets | 1,693.47 mi (2,725.37 km) |
| Saltcoats to Stamboliyski | 1,607.04 mi (2,586.29 km) |
| Saltcoats to Stara Zagora | 1,632.73 mi (2,627.62 km) |
| Saltcoats to Svilengrad | 1,685.20 mi (2,712.07 km) |
| Saltcoats to Svishtov | 1,565.40 mi (2,519.26 km) |
| Saltcoats to Targovishte | 1,628.07 mi (2,620.13 km) |
| Saltcoats to Teteven | 1,559.17 mi (2,509.25 km) |
| Saltcoats to Troyan | 1,577.08 mi (2,538.07 km) |
| Saltcoats to Tryavna | 1,606.39 mi (2,585.23 km) |
| Saltcoats to Tutrakan | 1,592.33 mi (2,562.61 km) |
| Saltcoats to Varna | 1,679.17 mi (2,702.36 km) |
