| Harper Woods to Smolyan | 5,092.07 mi (8,194.90 km) |
| Harper Woods to Sofia | 4,988.22 mi (8,027.76 km) |
| Harper Woods to Sopot | 5,043.90 mi (8,117.37 km) |
| Harper Woods to Sozopol | 5,163.98 mi (8,310.62 km) |
| Harper Woods to Sredets | 5,148.88 mi (8,286.33 km) |
| Harper Woods to Stamboliyski | 5,059.97 mi (8,143.23 km) |
| Harper Woods to Stara Zagora | 5,087.64 mi (8,187.77 km) |
| Harper Woods to Svilengrad | 5,139.78 mi (8,271.67 km) |
| Harper Woods to Svishtov | 5,020.81 mi (8,080.22 km) |
| Harper Woods to Targovishte | 5,083.29 mi (8,180.76 km) |
| Harper Woods to Teteven | 5,013.38 mi (8,068.26 km) |
| Harper Woods to Troyan | 5,031.74 mi (8,097.80 km) |
| Harper Woods to Tryavna | 5,061.61 mi (8,145.87 km) |
| Harper Woods to Tutrakan | 5,046.50 mi (8,121.56 km) |
| Harper Woods to Varna | 5,133.27 mi (8,261.20 km) |
