| Woonsocket to Smolyan | 4,657.77 mi (7,495.95 km) |
| Woonsocket to Sofia | 4,555.51 mi (7,331.39 km) |
| Woonsocket to Sopot | 4,615.79 mi (7,428.39 km) |
| Woonsocket to Sozopol | 4,745.05 mi (7,636.43 km) |
| Woonsocket to Sredets | 4,727.76 mi (7,608.60 km) |
| Woonsocket to Stamboliyski | 4,628.17 mi (7,448.32 km) |
| Woonsocket to Stara Zagora | 4,661.45 mi (7,501.88 km) |
| Woonsocket to Svilengrad | 4,711.78 mi (7,582.88 km) |
| Woonsocket to Svishtov | 4,600.38 mi (7,403.60 km) |
| Woonsocket to Targovishte | 4,665.09 mi (7,507.74 km) |
| Woonsocket to Teteven | 4,585.13 mi (7,379.05 km) |
| Woonsocket to Troyan | 4,604.85 mi (7,410.79 km) |
| Woonsocket to Tryavna | 4,637.36 mi (7,463.11 km) |
| Woonsocket to Tutrakan | 4,633.08 mi (7,456.22 km) |
| Woonsocket to Varna | 4,719.70 mi (7,595.62 km) |
