| Macomb to Smolyan | 5,474.18 mi (8,809.85 km) |
| Macomb to Sofia | 5,369.99 mi (8,642.16 km) |
| Macomb to Sopot | 5,423.37 mi (8,728.07 km) |
| Macomb to Sozopol | 5,538.71 mi (8,913.69 km) |
| Macomb to Sredets | 5,524.70 mi (8,891.15 km) |
| Macomb to Stamboliyski | 5,441.06 mi (8,756.54 km) |
| Macomb to Stara Zagora | 5,466.06 mi (8,796.78 km) |
| Macomb to Svilengrad | 5,518.83 mi (8,881.69 km) |
| Macomb to Svishtov | 5,396.83 mi (8,685.36 km) |
| Macomb to Targovishte | 5,458.01 mi (8,783.82 km) |
| Macomb to Teteven | 5,393.04 mi (8,679.25 km) |
| Macomb to Troyan | 5,410.70 mi (8,707.68 km) |
| Macomb to Tryavna | 5,439.23 mi (8,753.60 km) |
| Macomb to Tutrakan | 5,419.12 mi (8,721.24 km) |
| Macomb to Varna | 5,505.59 mi (8,860.40 km) |
