| Blackhawk to Smolyan | 6,560.93 mi (10,558.79 km) |
| Blackhawk to Sofia | 6,460.64 mi (10,397.39 km) |
| Blackhawk to Sopot | 6,495.71 mi (10,453.84 km) |
| Blackhawk to Sozopol | 6,573.19 mi (10,578.52 km) |
| Blackhawk to Sredets | 6,567.09 mi (10,568.70 km) |
| Blackhawk to Stamboliyski | 6,523.00 mi (10,497.75 km) |
| Blackhawk to Stara Zagora | 6,528.94 mi (10,507.31 km) |
| Blackhawk to Svilengrad | 6,582.59 mi (10,593.66 km) |
| Blackhawk to Svishtov | 6,448.52 mi (10,377.89 km) |
| Blackhawk to Targovishte | 6,497.55 mi (10,456.80 km) |
| Blackhawk to Teteven | 6,468.41 mi (10,409.90 km) |
| Blackhawk to Troyan | 6,480.46 mi (10,429.30 km) |
| Blackhawk to Tryavna | 6,498.58 mi (10,458.46 km) |
| Blackhawk to Tutrakan | 6,447.91 mi (10,376.91 km) |
| Blackhawk to Varna | 6,526.91 mi (10,504.05 km) |
