| Abilene to Smolyan | 6,221.47 mi (10,012.48 km) |
| Abilene to Sofia | 6,117.25 mi (9,844.76 km) |
| Abilene to Sopot | 6,170.31 mi (9,930.16 km) |
| Abilene to Sozopol | 6,284.66 mi (10,114.18 km) |
| Abilene to Sredets | 6,270.91 mi (10,092.06 km) |
| Abilene to Stamboliyski | 6,188.23 mi (9,958.99 km) |
| Abilene to Stara Zagora | 6,212.82 mi (9,998.56 km) |
| Abilene to Svilengrad | 6,265.68 mi (10,083.63 km) |
| Abilene to Svishtov | 6,143.13 mi (9,886.41 km) |
| Abilene to Targovishte | 6,203.99 mi (9,984.35 km) |
| Abilene to Teteven | 6,140.01 mi (9,881.39 km) |
| Abilene to Troyan | 6,157.56 mi (9,909.63 km) |
| Abilene to Tryavna | 6,185.84 mi (9,955.15 km) |
| Abilene to Tutrakan | 6,164.58 mi (9,920.93 km) |
| Abilene to Varna | 6,250.93 mi (10,059.89 km) |
