| Foz to Smolyan | 1,621.73 mi (2,609.92 km) |
| Foz to Sofia | 1,534.73 mi (2,469.91 km) |
| Foz to Sopot | 1,605.78 mi (2,584.26 km) |
| Foz to Sozopol | 1,755.43 mi (2,825.09 km) |
| Foz to Sredets | 1,731.90 mi (2,787.22 km) |
| Foz to Stamboliyski | 1,603.59 mi (2,580.72 km) |
| Foz to Stara Zagora | 1,653.84 mi (2,661.60 km) |
| Foz to Svilengrad | 1,692.87 mi (2,724.41 km) |
| Foz to Svishtov | 1,621.13 mi (2,608.96 km) |
| Foz to Targovishte | 1,686.91 mi (2,714.82 km) |
| Foz to Teteven | 1,577.78 mi (2,539.19 km) |
| Foz to Troyan | 1,600.51 mi (2,575.77 km) |
| Foz to Tryavna | 1,639.42 mi (2,638.40 km) |
| Foz to Tutrakan | 1,677.36 mi (2,699.45 km) |
| Foz to Varna | 1,752.87 mi (2,820.98 km) |
