| Fort Worth to Smolyan | 6,116.77 mi (9,843.99 km) |
| Fort Worth to Sofia | 6,012.68 mi (9,676.47 km) |
| Fort Worth to Sopot | 6,066.90 mi (9,763.74 km) |
| Fort Worth to Sozopol | 6,183.64 mi (9,951.60 km) |
| Fort Worth to Sredets | 6,169.35 mi (9,928.61 km) |
| Fort Worth to Stamboliyski | 6,084.03 mi (9,791.29 km) |
| Fort Worth to Stara Zagora | 6,109.95 mi (9,833.01 km) |
| Fort Worth to Svilengrad | 6,162.52 mi (9,917.63 km) |
| Fort Worth to Svishtov | 6,041.40 mi (9,722.69 km) |
| Fort Worth to Targovishte | 6,102.92 mi (9,821.70 km) |
| Fort Worth to Teteven | 6,036.50 mi (9,714.81 km) |
| Fort Worth to Troyan | 6,054.40 mi (9,743.61 km) |
| Fort Worth to Tryavna | 6,083.35 mi (9,790.21 km) |
| Fort Worth to Tutrakan | 6,064.49 mi (9,759.86 km) |
| Fort Worth to Varna | 6,151.04 mi (9,899.15 km) |
