| Highland Park to Smolyan | 5,285.53 mi (8,506.24 km) |
| Highland Park to Sofia | 5,181.37 mi (8,338.60 km) |
| Highland Park to Sopot | 5,235.07 mi (8,425.03 km) |
| Highland Park to Sozopol | 5,351.13 mi (8,611.81 km) |
| Highland Park to Sredets | 5,336.95 mi (8,588.99 km) |
| Highland Park to Stamboliyski | 5,252.54 mi (8,453.14 km) |
| Highland Park to Stara Zagora | 5,277.91 mi (8,493.98 km) |
| Highland Park to Svilengrad | 5,330.60 mi (8,578.77 km) |
| Highland Park to Svishtov | 5,209.03 mi (8,383.12 km) |
| Highland Park to Targovishte | 5,270.41 mi (8,481.91 km) |
| Highland Park to Teteven | 5,204.70 mi (8,376.16 km) |
| Highland Park to Troyan | 5,222.46 mi (8,404.74 km) |
| Highland Park to Tryavna | 5,251.19 mi (8,450.98 km) |
| Highland Park to Tutrakan | 5,231.85 mi (8,419.86 km) |
| Highland Park to Varna | 5,318.39 mi (8,559.12 km) |
