| Mackworth to Smolyan | 1,446.25 mi (2,327.52 km) |
| Mackworth to Sofia | 1,342.65 mi (2,160.78 km) |
| Mackworth to Sopot | 1,400.16 mi (2,253.34 km) |
| Mackworth to Sozopol | 1,527.01 mi (2,457.49 km) |
| Mackworth to Sredets | 1,509.97 mi (2,430.07 km) |
| Mackworth to Stamboliyski | 1,414.74 mi (2,276.80 km) |
| Mackworth to Stara Zagora | 1,445.02 mi (2,325.54 km) |
| Mackworth to Svilengrad | 1,496.23 mi (2,407.95 km) |
| Mackworth to Svishtov | 1,382.40 mi (2,224.77 km) |
| Mackworth to Targovishte | 1,446.99 mi (2,328.71 km) |
| Mackworth to Teteven | 1,369.52 mi (2,204.04 km) |
| Mackworth to Troyan | 1,388.63 mi (2,234.79 km) |
| Mackworth to Tryavna | 1,420.21 mi (2,285.61 km) |
| Mackworth to Tutrakan | 1,415.46 mi (2,277.96 km) |
| Mackworth to Varna | 1,501.92 mi (2,417.11 km) |
