| Streetly to Smolyan | 1,450.82 mi (2,334.87 km) |
| Streetly to Sofia | 1,347.49 mi (2,168.57 km) |
| Streetly to Sopot | 1,405.88 mi (2,262.55 km) |
| Streetly to Sozopol | 1,534.29 mi (2,469.20 km) |
| Streetly to Sredets | 1,516.89 mi (2,441.20 km) |
| Streetly to Stamboliyski | 1,419.77 mi (2,284.90 km) |
| Streetly to Stara Zagora | 1,451.09 mi (2,335.30 km) |
| Streetly to Svilengrad | 1,501.96 mi (2,417.17 km) |
| Streetly to Svishtov | 1,389.57 mi (2,236.29 km) |
| Streetly to Targovishte | 1,454.48 mi (2,340.76 km) |
| Streetly to Teteven | 1,375.23 mi (2,213.22 km) |
| Streetly to Troyan | 1,394.59 mi (2,244.38 km) |
| Streetly to Tryavna | 1,426.65 mi (2,295.96 km) |
| Streetly to Tutrakan | 1,423.83 mi (2,291.43 km) |
| Streetly to Varna | 1,510.13 mi (2,430.32 km) |
