| Prosper to Smolyan | 6,072.51 mi (9,772.77 km) |
| Prosper to Sofia | 5,968.43 mi (9,605.26 km) |
| Prosper to Sopot | 6,022.71 mi (9,692.61 km) |
| Prosper to Sozopol | 6,139.56 mi (9,880.67 km) |
| Prosper to Sredets | 6,125.25 mi (9,857.63 km) |
| Prosper to Stamboliyski | 6,039.79 mi (9,720.11 km) |
| Prosper to Stara Zagora | 6,065.78 mi (9,761.93 km) |
| Prosper to Svilengrad | 6,118.34 mi (9,846.51 km) |
| Prosper to Svishtov | 5,997.29 mi (9,651.70 km) |
| Prosper to Targovishte | 6,058.84 mi (9,750.77 km) |
| Prosper to Teteven | 5,992.30 mi (9,643.67 km) |
| Prosper to Troyan | 6,010.21 mi (9,672.50 km) |
| Prosper to Tryavna | 6,039.20 mi (9,719.15 km) |
| Prosper to Tutrakan | 6,020.48 mi (9,689.02 km) |
| Prosper to Varna | 6,107.04 mi (9,828.33 km) |
