| Alfreton to Smolyan | 1,444.70 mi (2,325.02 km) |
| Alfreton to Sofia | 1,340.98 mi (2,158.11 km) |
| Alfreton to Sopot | 1,398.06 mi (2,249.96 km) |
| Alfreton to Sozopol | 1,524.15 mi (2,452.88 km) |
| Alfreton to Sredets | 1,507.29 mi (2,425.74 km) |
| Alfreton to Stamboliyski | 1,412.97 mi (2,273.96 km) |
| Alfreton to Stara Zagora | 1,442.75 mi (2,321.89 km) |
| Alfreton to Svilengrad | 1,494.12 mi (2,404.55 km) |
| Alfreton to Svishtov | 1,379.62 mi (2,220.28 km) |
| Alfreton to Targovishte | 1,444.04 mi (2,323.96 km) |
| Alfreton to Teteven | 1,367.44 mi (2,200.68 km) |
| Alfreton to Troyan | 1,386.42 mi (2,231.23 km) |
| Alfreton to Tryavna | 1,417.77 mi (2,281.68 km) |
| Alfreton to Tutrakan | 1,412.08 mi (2,272.53 km) |
| Alfreton to Varna | 1,498.62 mi (2,411.79 km) |
