| Weatherford to Smolyan | 6,133.89 mi (9,871.55 km) |
| Weatherford to Sofia | 6,029.77 mi (9,703.98 km) |
| Weatherford to Sopot | 6,083.78 mi (9,790.90 km) |
| Weatherford to Sozopol | 6,200.07 mi (9,978.04 km) |
| Weatherford to Sredets | 6,185.88 mi (9,955.22 km) |
| Weatherford to Stamboliyski | 6,101.05 mi (9,818.70 km) |
| Weatherford to Stara Zagora | 6,126.72 mi (9,860.01 km) |
| Weatherford to Svilengrad | 6,179.36 mi (9,944.71 km) |
| Weatherford to Svishtov | 6,057.96 mi (9,749.34 km) |
| Weatherford to Targovishte | 6,119.35 mi (9,848.15 km) |
| Weatherford to Teteven | 6,053.39 mi (9,742.00 km) |
| Weatherford to Troyan | 6,071.23 mi (9,770.69 km) |
| Weatherford to Tryavna | 6,100.05 mi (9,817.09 km) |
| Weatherford to Tutrakan | 6,080.74 mi (9,786.01 km) |
| Weatherford to Varna | 6,167.26 mi (9,925.24 km) |
