| Burton to Smolyan | 5,092.07 mi (8,194.90 km) |
| Burton to Sofia | 4,988.10 mi (8,027.57 km) |
| Burton to Sopot | 5,043.14 mi (8,116.15 km) |
| Burton to Sozopol | 5,161.96 mi (8,307.36 km) |
| Burton to Sredets | 5,147.15 mi (8,283.53 km) |
| Burton to Stamboliyski | 5,059.67 mi (8,142.75 km) |
| Burton to Stara Zagora | 5,086.60 mi (8,186.09 km) |
| Burton to Svilengrad | 5,138.92 mi (8,270.30 km) |
| Burton to Svishtov | 5,019.10 mi (8,077.46 km) |
| Burton to Targovishte | 5,081.24 mi (8,177.47 km) |
| Burton to Teteven | 5,012.67 mi (8,067.11 km) |
| Burton to Troyan | 5,030.83 mi (8,096.34 km) |
| Burton to Tryavna | 5,060.34 mi (8,143.83 km) |
| Burton to Tutrakan | 5,043.89 mi (8,117.35 km) |
| Burton to Varna | 5,130.60 mi (8,256.91 km) |
