| Cumberland to Smolyan | 5,055.75 mi (8,136.44 km) |
| Cumberland to Sofia | 4,952.93 mi (7,970.97 km) |
| Cumberland to Sopot | 5,011.96 mi (8,065.98 km) |
| Cumberland to Sozopol | 5,138.66 mi (8,269.87 km) |
| Cumberland to Sredets | 5,122.01 mi (8,243.07 km) |
| Cumberland to Stamboliyski | 5,025.41 mi (8,087.62 km) |
| Cumberland to Stara Zagora | 5,057.12 mi (8,138.65 km) |
| Cumberland to Svilengrad | 5,108.04 mi (8,220.59 km) |
| Cumberland to Svishtov | 4,994.26 mi (8,037.48 km) |
| Cumberland to Targovishte | 5,058.37 mi (8,140.66 km) |
| Cumberland to Teteven | 4,981.31 mi (8,016.64 km) |
| Cumberland to Troyan | 5,000.66 mi (8,047.78 km) |
| Cumberland to Tryavna | 5,032.43 mi (8,098.91 km) |
| Cumberland to Tutrakan | 5,024.84 mi (8,086.70 km) |
| Cumberland to Varna | 5,111.62 mi (8,226.36 km) |
