| North Palm Beach to Smolyan | 5,704.54 mi (9,180.57 km) |
| North Palm Beach to Sofia | 5,605.74 mi (9,021.57 km) |
| North Palm Beach to Sopot | 5,670.52 mi (9,125.83 km) |
| North Palm Beach to Sozopol | 5,808.27 mi (9,347.51 km) |
| North Palm Beach to Sredets | 5,788.81 mi (9,316.19 km) |
| North Palm Beach to Stamboliyski | 5,678.40 mi (9,138.50 km) |
| North Palm Beach to Stara Zagora | 5,717.74 mi (9,201.81 km) |
| North Palm Beach to Svilengrad | 5,765.28 mi (9,278.32 km) |
| North Palm Beach to Svishtov | 5,663.91 mi (9,115.18 km) |
| North Palm Beach to Targovishte | 5,730.15 mi (9,221.79 km) |
| North Palm Beach to Teteven | 5,640.14 mi (9,076.93 km) |
| North Palm Beach to Troyan | 5,661.14 mi (9,110.73 km) |
| North Palm Beach to Tryavna | 5,696.18 mi (9,167.12 km) |
| North Palm Beach to Tutrakan | 5,703.56 mi (9,178.99 km) |
| North Palm Beach to Varna | 5,788.91 mi (9,316.35 km) |
