| Enniskillen to Smolyan | 1,714.50 mi (2,759.22 km) |
| Enniskillen to Sofia | 1,610.84 mi (2,592.39 km) |
| Enniskillen to Sopot | 1,667.96 mi (2,684.31 km) |
| Enniskillen to Sozopol | 1,793.51 mi (2,886.38 km) |
| Enniskillen to Sredets | 1,776.84 mi (2,859.55 km) |
| Enniskillen to Stamboliyski | 1,682.86 mi (2,708.30 km) |
| Enniskillen to Stara Zagora | 1,712.60 mi (2,756.16 km) |
| Enniskillen to Svilengrad | 1,764.01 mi (2,838.90 km) |
| Enniskillen to Svishtov | 1,649.08 mi (2,653.94 km) |
| Enniskillen to Targovishte | 1,713.29 mi (2,757.28 km) |
| Enniskillen to Teteven | 1,637.34 mi (2,635.04 km) |
| Enniskillen to Troyan | 1,656.29 mi (2,665.55 km) |
| Enniskillen to Tryavna | 1,687.53 mi (2,715.81 km) |
| Enniskillen to Tutrakan | 1,680.66 mi (2,704.76 km) |
| Enniskillen to Varna | 1,767.31 mi (2,844.20 km) |
