| Kilmarnock to Smolyan | 1,629.18 mi (2,621.90 km) |
| Kilmarnock to Sofia | 1,524.92 mi (2,454.13 km) |
| Kilmarnock to Sopot | 1,578.32 mi (2,540.06 km) |
| Kilmarnock to Sozopol | 1,697.33 mi (2,731.59 km) |
| Kilmarnock to Sredets | 1,682.10 mi (2,707.08 km) |
| Kilmarnock to Stamboliyski | 1,595.85 mi (2,568.28 km) |
| Kilmarnock to Stara Zagora | 1,621.44 mi (2,609.45 km) |
| Kilmarnock to Svilengrad | 1,673.94 mi (2,693.94 km) |
| Kilmarnock to Svishtov | 1,554.03 mi (2,500.97 km) |
| Kilmarnock to Targovishte | 1,616.67 mi (2,601.79 km) |
| Kilmarnock to Teteven | 1,547.93 mi (2,491.15 km) |
| Kilmarnock to Troyan | 1,565.81 mi (2,519.93 km) |
| Kilmarnock to Tryavna | 1,595.07 mi (2,567.02 km) |
| Kilmarnock to Tutrakan | 1,580.88 mi (2,544.19 km) |
| Kilmarnock to Varna | 1,667.72 mi (2,683.94 km) |
