| Morgantown to Smolyan | 5,104.17 mi (8,214.37 km) |
| Morgantown to Sofia | 5,001.17 mi (8,048.61 km) |
| Morgantown to Sopot | 5,059.75 mi (8,142.87 km) |
| Morgantown to Sozopol | 5,185.53 mi (8,345.30 km) |
| Morgantown to Sredets | 5,169.10 mi (8,318.86 km) |
| Morgantown to Stamboliyski | 5,073.57 mi (8,165.13 km) |
| Morgantown to Stara Zagora | 5,104.72 mi (8,215.25 km) |
| Morgantown to Svilengrad | 5,155.82 mi (8,297.50 km) |
| Morgantown to Svishtov | 5,041.26 mi (8,113.12 km) |
| Morgantown to Targovishte | 5,105.15 mi (8,215.95 km) |
| Morgantown to Teteven | 5,029.10 mi (8,093.55 km) |
| Morgantown to Troyan | 5,048.31 mi (8,124.47 km) |
| Morgantown to Tryavna | 5,079.82 mi (8,175.18 km) |
| Morgantown to Tutrakan | 5,071.12 mi (8,161.19 km) |
| Morgantown to Varna | 5,157.94 mi (8,300.89 km) |
