| Fort Pierce to Smolyan | 5,688.79 mi (9,155.23 km) |
| Fort Pierce to Sofia | 5,589.64 mi (8,995.65 km) |
| Fort Pierce to Sopot | 5,654.07 mi (9,099.35 km) |
| Fort Pierce to Sozopol | 5,791.15 mi (9,319.95 km) |
| Fort Pierce to Sredets | 5,771.87 mi (9,288.93 km) |
| Fort Pierce to Stamboliyski | 5,662.34 mi (9,112.66 km) |
| Fort Pierce to Stara Zagora | 5,701.18 mi (9,175.16 km) |
| Fort Pierce to Svilengrad | 5,748.99 mi (9,252.11 km) |
| Fort Pierce to Svishtov | 5,646.68 mi (9,087.45 km) |
| Fort Pierce to Targovishte | 5,712.82 mi (9,193.89 km) |
| Fort Pierce to Teteven | 5,623.64 mi (9,050.38 km) |
| Fort Pierce to Troyan | 5,644.55 mi (9,084.02 km) |
| Fort Pierce to Tryavna | 5,679.39 mi (9,140.09 km) |
| Fort Pierce to Tutrakan | 5,685.71 mi (9,150.27 km) |
| Fort Pierce to Varna | 5,771.23 mi (9,287.89 km) |
