| Braintree to Smolyan | 1,337.26 mi (2,152.11 km) |
| Braintree to Sofia | 1,234.00 mi (1,985.94 km) |
| Braintree to Sopot | 1,292.72 mi (2,080.43 km) |
| Braintree to Sozopol | 1,421.97 mi (2,288.44 km) |
| Braintree to Sredets | 1,404.35 mi (2,260.08 km) |
| Braintree to Stamboliyski | 1,306.34 mi (2,102.35 km) |
| Braintree to Stara Zagora | 1,338.08 mi (2,153.43 km) |
| Braintree to Svilengrad | 1,388.78 mi (2,235.03 km) |
| Braintree to Svishtov | 1,277.20 mi (2,055.46 km) |
| Braintree to Targovishte | 1,342.33 mi (2,160.28 km) |
| Braintree to Teteven | 1,262.06 mi (2,031.09 km) |
| Braintree to Troyan | 1,281.53 mi (2,062.43 km) |
| Braintree to Tryavna | 1,313.83 mi (2,114.40 km) |
| Braintree to Tutrakan | 1,312.40 mi (2,112.10 km) |
| Braintree to Varna | 1,398.53 mi (2,250.72 km) |
