| Swadlincote to Smolyan | 1,443.03 mi (2,322.33 km) |
| Swadlincote to Sofia | 1,339.52 mi (2,155.75 km) |
| Swadlincote to Sopot | 1,397.36 mi (2,248.83 km) |
| Swadlincote to Sozopol | 1,524.80 mi (2,453.94 km) |
| Swadlincote to Sredets | 1,507.63 mi (2,426.29 km) |
| Swadlincote to Stamboliyski | 1,411.68 mi (2,271.88 km) |
| Swadlincote to Stara Zagora | 1,442.35 mi (2,321.24 km) |
| Swadlincote to Svilengrad | 1,493.44 mi (2,403.45 km) |
| Swadlincote to Svishtov | 1,380.15 mi (2,221.13 km) |
| Swadlincote to Targovishte | 1,444.86 mi (2,325.28 km) |
| Swadlincote to Teteven | 1,366.72 mi (2,199.52 km) |
| Swadlincote to Troyan | 1,385.92 mi (2,230.42 km) |
| Swadlincote to Tryavna | 1,417.68 mi (2,281.53 km) |
| Swadlincote to Tutrakan | 1,413.67 mi (2,275.08 km) |
| Swadlincote to Varna | 1,500.07 mi (2,414.14 km) |
