| Bel Air to Smolyan | 4,962.49 mi (7,986.36 km) |
| Bel Air to Sofia | 4,860.12 mi (7,821.60 km) |
| Bel Air to Sopot | 4,920.12 mi (7,918.18 km) |
| Bel Air to Sozopol | 5,048.77 mi (8,125.20 km) |
| Bel Air to Sredets | 5,031.64 mi (8,097.64 km) |
| Bel Air to Stamboliyski | 4,932.74 mi (7,938.48 km) |
| Bel Air to Stara Zagora | 4,965.67 mi (7,991.48 km) |
| Bel Air to Svilengrad | 5,016.14 mi (8,072.70 km) |
| Bel Air to Svishtov | 4,904.15 mi (7,892.47 km) |
| Bel Air to Targovishte | 4,968.71 mi (7,996.36 km) |
| Bel Air to Teteven | 4,889.46 mi (7,868.83 km) |
| Bel Air to Troyan | 4,909.10 mi (7,900.43 km) |
| Bel Air to Tryavna | 4,941.43 mi (7,952.47 km) |
| Bel Air to Tutrakan | 4,936.27 mi (7,944.15 km) |
| Bel Air to Varna | 5,022.94 mi (8,083.64 km) |
