| Boville Ernica to Smolyan | 579.86 mi (933.19 km) |
| Boville Ernica to Sofia | 509.93 mi (820.65 km) |
| Boville Ernica to Sopot | 581.66 mi (936.09 km) |
| Boville Ernica to Sozopol | 731.50 mi (1,177.24 km) |
| Boville Ernica to Sredets | 706.04 mi (1,136.26 km) |
| Boville Ernica to Stamboliyski | 569.77 mi (916.96 km) |
| Boville Ernica to Stara Zagora | 626.95 mi (1,008.98 km) |
| Boville Ernica to Svilengrad | 656.25 mi (1,056.13 km) |
| Boville Ernica to Svishtov | 618.56 mi (995.48 km) |
| Boville Ernica to Targovishte | 677.05 mi (1,089.60 km) |
| Boville Ernica to Teteven | 558.55 mi (898.91 km) |
| Boville Ernica to Troyan | 581.04 mi (935.10 km) |
| Boville Ernica to Tryavna | 620.52 mi (998.63 km) |
| Boville Ernica to Tutrakan | 685.61 mi (1,103.39 km) |
| Boville Ernica to Varna | 743.83 mi (1,197.07 km) |
