| Falkirk to Smolyan | 1,615.56 mi (2,599.99 km) |
| Falkirk to Sofia | 1,511.26 mi (2,432.14 km) |
| Falkirk to Sopot | 1,563.48 mi (2,516.18 km) |
| Falkirk to Sozopol | 1,680.40 mi (2,704.34 km) |
| Falkirk to Sredets | 1,665.62 mi (2,680.55 km) |
| Falkirk to Stamboliyski | 1,581.78 mi (2,545.63 km) |
| Falkirk to Stara Zagora | 1,606.10 mi (2,584.76 km) |
| Falkirk to Svilengrad | 1,658.86 mi (2,669.68 km) |
| Falkirk to Svishtov | 1,537.59 mi (2,474.52 km) |
| Falkirk to Targovishte | 1,599.69 mi (2,574.45 km) |
| Falkirk to Teteven | 1,533.20 mi (2,467.44 km) |
| Falkirk to Troyan | 1,550.74 mi (2,495.67 km) |
| Falkirk to Tryavna | 1,579.37 mi (2,541.75 km) |
| Falkirk to Tutrakan | 1,562.97 mi (2,515.36 km) |
| Falkirk to Varna | 1,649.78 mi (2,655.06 km) |
