| Surprise to Smolyan | 6,568.25 mi (10,570.58 km) |
| Surprise to Sofia | 6,464.77 mi (10,404.05 km) |
| Surprise to Sopot | 6,509.02 mi (10,475.26 km) |
| Surprise to Sozopol | 6,605.29 mi (10,630.19 km) |
| Surprise to Sredets | 6,595.43 mi (10,614.32 km) |
| Surprise to Stamboliyski | 6,532.12 mi (10,512.43 km) |
| Surprise to Stara Zagora | 6,547.16 mi (10,536.64 km) |
| Surprise to Svilengrad | 6,601.13 mi (10,623.49 km) |
| Surprise to Svishtov | 6,470.89 mi (10,413.89 km) |
| Surprise to Targovishte | 6,526.25 mi (10,502.98 km) |
| Surprise to Teteven | 6,479.92 mi (10,428.42 km) |
| Surprise to Troyan | 6,494.79 mi (10,452.35 km) |
| Surprise to Tryavna | 6,518.05 mi (10,489.79 km) |
| Surprise to Tutrakan | 6,480.88 mi (10,429.97 km) |
| Surprise to Varna | 6,564.43 mi (10,564.43 km) |
