| Beloit to Smolyan | 5,312.49 mi (8,549.62 km) |
| Beloit to Sofia | 5,208.25 mi (8,381.87 km) |
| Beloit to Sopot | 5,261.18 mi (8,467.05 km) |
| Beloit to Sozopol | 5,375.70 mi (8,651.35 km) |
| Beloit to Sredets | 5,361.87 mi (8,629.09 km) |
| Beloit to Stamboliyski | 5,279.17 mi (8,496.00 km) |
| Beloit to Stara Zagora | 5,303.68 mi (8,535.44 km) |
| Beloit to Svilengrad | 5,356.54 mi (8,620.51 km) |
| Beloit to Svishtov | 5,234.06 mi (8,423.40 km) |
| Beloit to Targovishte | 5,295.01 mi (8,521.50 km) |
| Beloit to Teteven | 5,230.89 mi (8,418.30 km) |
| Beloit to Troyan | 5,248.42 mi (8,446.51 km) |
| Beloit to Tryavna | 5,276.71 mi (8,492.04 km) |
| Beloit to Tutrakan | 5,255.83 mi (8,458.44 km) |
| Beloit to Varna | 5,342.24 mi (8,597.50 km) |
