| Bucyrus to Smolyan | 5,169.55 mi (8,319.59 km) |
| Bucyrus to Sofia | 5,065.93 mi (8,152.82 km) |
| Bucyrus to Sopot | 5,122.59 mi (8,244.00 km) |
| Bucyrus to Sozopol | 5,244.56 mi (8,440.31 km) |
| Bucyrus to Sredets | 5,229.03 mi (8,415.31 km) |
| Bucyrus to Stamboliyski | 5,137.93 mi (8,268.69 km) |
| Bucyrus to Stara Zagora | 5,166.75 mi (8,315.08 km) |
| Bucyrus to Svilengrad | 5,218.57 mi (8,398.48 km) |
| Bucyrus to Svishtov | 5,100.98 mi (8,209.23 km) |
| Bucyrus to Targovishte | 5,163.93 mi (8,310.55 km) |
| Bucyrus to Teteven | 5,092.01 mi (8,194.80 km) |
| Bucyrus to Troyan | 5,110.66 mi (8,224.81 km) |
| Bucyrus to Tryavna | 5,141.07 mi (8,273.75 km) |
| Bucyrus to Tutrakan | 5,128.00 mi (8,252.73 km) |
| Bucyrus to Varna | 5,214.83 mi (8,392.45 km) |
