| Sterling Heights to Smolyan | 5,089.33 mi (8,190.49 km) |
| Sterling Heights to Sofia | 4,985.45 mi (8,023.31 km) |
| Sterling Heights to Sopot | 5,041.00 mi (8,112.71 km) |
| Sterling Heights to Sozopol | 5,160.83 mi (8,305.55 km) |
| Sterling Heights to Sredets | 5,145.79 mi (8,281.35 km) |
| Sterling Heights to Stamboliyski | 5,057.17 mi (8,138.72 km) |
| Sterling Heights to Stara Zagora | 5,084.69 mi (8,183.02 km) |
| Sterling Heights to Svilengrad | 5,136.86 mi (8,266.98 km) |
| Sterling Heights to Svishtov | 5,017.72 mi (8,075.24 km) |
| Sterling Heights to Targovishte | 5,080.13 mi (8,175.68 km) |
| Sterling Heights to Teteven | 5,010.50 mi (8,063.61 km) |
| Sterling Heights to Troyan | 5,028.81 mi (8,093.09 km) |
| Sterling Heights to Tryavna | 5,058.61 mi (8,141.04 km) |
| Sterling Heights to Tutrakan | 5,043.22 mi (8,116.29 km) |
| Sterling Heights to Varna | 5,129.98 mi (8,255.91 km) |
