| Stephenville to Smolyan | 6,179.27 mi (9,944.57 km) |
| Stephenville to Sofia | 6,075.15 mi (9,777.01 km) |
| Stephenville to Sopot | 6,129.19 mi (9,863.98 km) |
| Stephenville to Sozopol | 6,245.53 mi (10,051.21 km) |
| Stephenville to Sredets | 6,231.34 mi (10,028.37 km) |
| Stephenville to Stamboliyski | 6,146.44 mi (9,891.75 km) |
| Stephenville to Stara Zagora | 6,172.15 mi (9,933.12 km) |
| Stephenville to Svilengrad | 6,224.78 mi (10,017.81 km) |
| Stephenville to Svishtov | 6,103.41 mi (9,822.48 km) |
| Stephenville to Targovishte | 6,164.81 mi (9,921.31 km) |
| Stephenville to Teteven | 6,098.81 mi (9,815.08 km) |
| Stephenville to Troyan | 6,116.65 mi (9,843.79 km) |
| Stephenville to Tryavna | 6,145.49 mi (9,890.21 km) |
| Stephenville to Tutrakan | 6,126.22 mi (9,859.19 km) |
| Stephenville to Varna | 6,212.73 mi (9,998.43 km) |
