| Derby to Smolyan | 1,443.76 mi (2,323.50 km) |
| Derby to Sofia | 1,340.15 mi (2,156.76 km) |
| Derby to Sopot | 1,397.64 mi (2,249.29 km) |
| Derby to Sozopol | 1,524.47 mi (2,453.41 km) |
| Derby to Sredets | 1,507.44 mi (2,425.99 km) |
| Derby to Stamboliyski | 1,412.24 mi (2,272.78 km) |
| Derby to Stara Zagora | 1,442.50 mi (2,321.48 km) |
| Derby to Svilengrad | 1,493.72 mi (2,403.90 km) |
| Derby to Svishtov | 1,379.87 mi (2,220.68 km) |
| Derby to Targovishte | 1,444.45 mi (2,324.62 km) |
| Derby to Teteven | 1,367.01 mi (2,199.99 km) |
| Derby to Troyan | 1,386.11 mi (2,230.74 km) |
| Derby to Tryavna | 1,417.69 mi (2,281.55 km) |
| Derby to Tutrakan | 1,412.91 mi (2,273.86 km) |
| Derby to Varna | 1,499.38 mi (2,413.01 km) |
