| Shirley to Smolyan | 1,348.81 mi (2,170.69 km) |
| Shirley to Sofia | 1,246.09 mi (2,005.38 km) |
| Shirley to Sopot | 1,306.16 mi (2,102.05 km) |
| Shirley to Sozopol | 1,437.72 mi (2,313.78 km) |
| Shirley to Sredets | 1,419.55 mi (2,284.54 km) |
| Shirley to Stamboliyski | 1,318.66 mi (2,122.17 km) |
| Shirley to Stara Zagora | 1,352.00 mi (2,175.84 km) |
| Shirley to Svilengrad | 1,402.12 mi (2,256.50 km) |
| Shirley to Svishtov | 1,292.93 mi (2,080.77 km) |
| Shirley to Targovishte | 1,358.50 mi (2,186.29 km) |
| Shirley to Teteven | 1,275.50 mi (2,052.72 km) |
| Shirley to Troyan | 1,295.35 mi (2,084.67 km) |
| Shirley to Tryavna | 1,328.36 mi (2,137.79 km) |
| Shirley to Tutrakan | 1,329.98 mi (2,140.39 km) |
| Shirley to Varna | 1,415.75 mi (2,278.43 km) |
