| Kilsyth to Smolyan | 1,624.55 mi (2,614.46 km) |
| Kilsyth to Sofia | 1,520.25 mi (2,446.61 km) |
| Kilsyth to Sopot | 1,572.66 mi (2,530.96 km) |
| Kilsyth to Sozopol | 1,689.91 mi (2,719.64 km) |
| Kilsyth to Sredets | 1,675.06 mi (2,695.75 km) |
| Kilsyth to Stamboliyski | 1,590.84 mi (2,560.21 km) |
| Kilsyth to Stara Zagora | 1,615.36 mi (2,599.67 km) |
| Kilsyth to Svilengrad | 1,668.09 mi (2,684.53 km) |
| Kilsyth to Svishtov | 1,547.02 mi (2,489.69 km) |
| Kilsyth to Targovishte | 1,609.20 mi (2,589.76 km) |
| Kilsyth to Teteven | 1,542.36 mi (2,482.19 km) |
| Kilsyth to Troyan | 1,559.96 mi (2,510.51 km) |
| Kilsyth to Tryavna | 1,588.69 mi (2,556.75 km) |
| Kilsyth to Tutrakan | 1,572.62 mi (2,530.88 km) |
| Kilsyth to Varna | 1,659.43 mi (2,670.60 km) |
