| Palm Beach Gardens to Smolyan | 5,708.32 mi (9,186.66 km) |
| Palm Beach Gardens to Sofia | 5,609.47 mi (9,027.57 km) |
| Palm Beach Gardens to Sopot | 5,674.21 mi (9,131.75 km) |
| Palm Beach Gardens to Sozopol | 5,811.86 mi (9,353.28 km) |
| Palm Beach Gardens to Sredets | 5,792.43 mi (9,322.01 km) |
| Palm Beach Gardens to Stamboliyski | 5,682.14 mi (9,144.52 km) |
| Palm Beach Gardens to Stara Zagora | 5,721.41 mi (9,207.71 km) |
| Palm Beach Gardens to Svilengrad | 5,768.99 mi (9,284.29 km) |
| Palm Beach Gardens to Svishtov | 5,667.48 mi (9,120.93 km) |
| Palm Beach Gardens to Targovishte | 5,733.71 mi (9,227.51 km) |
| Palm Beach Gardens to Teteven | 5,643.81 mi (9,082.84 km) |
| Palm Beach Gardens to Troyan | 5,664.81 mi (9,116.62 km) |
| Palm Beach Gardens to Tryavna | 5,699.82 mi (9,172.97 km) |
| Palm Beach Gardens to Tutrakan | 5,707.04 mi (9,184.60 km) |
| Palm Beach Gardens to Varna | 5,792.42 mi (9,321.99 km) |
