| Worcester to Smolyan | 1,454.93 mi (2,341.49 km) |
| Worcester to Sofia | 1,351.93 mi (2,175.72 km) |
| Worcester to Sopot | 1,411.25 mi (2,271.19 km) |
| Worcester to Sozopol | 1,541.26 mi (2,480.42 km) |
| Worcester to Sredets | 1,523.49 mi (2,451.82 km) |
| Worcester to Stamboliyski | 1,424.39 mi (2,292.33 km) |
| Worcester to Stara Zagora | 1,456.80 mi (2,344.49 km) |
| Worcester to Svilengrad | 1,507.28 mi (2,425.74 km) |
| Worcester to Svishtov | 1,396.48 mi (2,247.41 km) |
| Worcester to Targovishte | 1,461.72 mi (2,352.40 km) |
| Worcester to Teteven | 1,380.59 mi (2,221.84 km) |
| Worcester to Troyan | 1,400.21 mi (2,253.42 km) |
| Worcester to Tryavna | 1,432.76 mi (2,305.80 km) |
| Worcester to Tutrakan | 1,432.02 mi (2,304.61 km) |
| Worcester to Varna | 1,518.11 mi (2,443.16 km) |
