| Brookside to Smolyan | 4,930.72 mi (7,935.24 km) |
| Brookside to Sofia | 4,828.43 mi (7,770.60 km) |
| Brookside to Sopot | 4,888.59 mi (7,867.43 km) |
| Brookside to Sozopol | 5,017.55 mi (8,074.96 km) |
| Brookside to Sredets | 5,000.34 mi (8,047.27 km) |
| Brookside to Stamboliyski | 4,901.07 mi (7,887.51 km) |
| Brookside to Stara Zagora | 4,934.20 mi (7,940.83 km) |
| Brookside to Svilengrad | 4,984.60 mi (8,021.93 km) |
| Brookside to Svishtov | 4,872.90 mi (7,842.18 km) |
| Brookside to Targovishte | 4,937.53 mi (7,946.19 km) |
| Brookside to Teteven | 4,857.93 mi (7,818.08 km) |
| Brookside to Troyan | 4,877.61 mi (7,849.76 km) |
| Brookside to Tryavna | 4,910.04 mi (7,901.95 km) |
| Brookside to Tutrakan | 4,905.28 mi (7,894.28 km) |
| Brookside to Varna | 4,991.93 mi (8,033.73 km) |
