| Ayr to Smolyan | 1,629.64 mi (2,622.66 km) |
| Ayr to Sofia | 1,525.42 mi (2,454.93 km) |
| Ayr to Sopot | 1,579.19 mi (2,541.46 km) |
| Ayr to Sozopol | 1,698.89 mi (2,734.10 km) |
| Ayr to Sredets | 1,683.51 mi (2,709.34 km) |
| Ayr to Stamboliyski | 1,596.47 mi (2,569.28 km) |
| Ayr to Stara Zagora | 1,622.47 mi (2,611.12 km) |
| Ayr to Svilengrad | 1,674.88 mi (2,695.46 km) |
| Ayr to Svishtov | 1,555.44 mi (2,503.23 km) |
| Ayr to Targovishte | 1,618.26 mi (2,604.33 km) |
| Ayr to Teteven | 1,548.77 mi (2,492.51 km) |
| Ayr to Troyan | 1,566.77 mi (2,521.47 km) |
| Ayr to Tryavna | 1,596.23 mi (2,568.88 km) |
| Ayr to Tutrakan | 1,582.78 mi (2,547.24 km) |
| Ayr to Varna | 1,669.62 mi (2,686.99 km) |
