| Fountain to Smolyan | 6,042.48 mi (9,724.43 km) |
| Fountain to Sofia | 5,938.52 mi (9,557.13 km) |
| Fountain to Sopot | 5,985.28 mi (9,632.38 km) |
| Fountain to Sozopol | 6,086.98 mi (9,796.04 km) |
| Fountain to Sredets | 6,075.95 mi (9,778.30 km) |
| Fountain to Stamboliyski | 6,007.02 mi (9,667.37 km) |
| Fountain to Stara Zagora | 6,024.74 mi (9,695.88 km) |
| Fountain to Svilengrad | 6,078.55 mi (9,782.47 km) |
| Fountain to Svishtov | 5,950.12 mi (9,575.79 km) |
| Fountain to Targovishte | 6,007.22 mi (9,667.69 km) |
| Fountain to Teteven | 5,955.77 mi (9,584.88 km) |
| Fountain to Troyan | 5,971.41 mi (9,610.06 km) |
| Fountain to Tryavna | 5,996.15 mi (9,649.87 km) |
| Fountain to Tutrakan | 5,963.48 mi (9,597.29 km) |
| Fountain to Varna | 6,048.12 mi (9,733.50 km) |
