| Harrislee to Smolyan | 1,148.73 mi (1,848.70 km) |
| Harrislee to Sofia | 1,046.05 mi (1,683.46 km) |
| Harrislee to Sopot | 1,088.46 mi (1,751.71 km) |
| Harrislee to Sozopol | 1,189.90 mi (1,914.96 km) |
| Harrislee to Sredets | 1,178.08 mi (1,895.93 km) |
| Harrislee to Stamboliyski | 1,112.08 mi (1,789.73 km) |
| Harrislee to Stara Zagora | 1,126.85 mi (1,813.49 km) |
| Harrislee to Svilengrad | 1,180.76 mi (1,900.25 km) |
| Harrislee to Svishtov | 1,051.87 mi (1,692.83 km) |
| Harrislee to Targovishte | 1,109.71 mi (1,785.91 km) |
| Harrislee to Teteven | 1,059.45 mi (1,705.02 km) |
| Harrislee to Troyan | 1,074.22 mi (1,728.79 km) |
| Harrislee to Tryavna | 1,098.02 mi (1,767.10 km) |
| Harrislee to Tutrakan | 1,067.78 mi (1,718.43 km) |
| Harrislee to Varna | 1,153.62 mi (1,856.57 km) |
