| Carteret to Smolyan | 4,829.75 mi (7,772.73 km) |
| Carteret to Sofia | 4,727.45 mi (7,608.10 km) |
| Carteret to Sopot | 4,787.62 mi (7,704.93 km) |
| Carteret to Sozopol | 4,916.62 mi (7,912.54 km) |
| Carteret to Sredets | 4,899.40 mi (7,884.82 km) |
| Carteret to Stamboliyski | 4,800.10 mi (7,725.01 km) |
| Carteret to Stara Zagora | 4,833.24 mi (7,778.34 km) |
| Carteret to Svilengrad | 4,883.63 mi (7,859.44 km) |
| Carteret to Svishtov | 4,771.97 mi (7,679.75 km) |
| Carteret to Targovishte | 4,836.62 mi (7,783.78 km) |
| Carteret to Teteven | 4,756.96 mi (7,655.59 km) |
| Carteret to Troyan | 4,776.65 mi (7,687.27 km) |
| Carteret to Tryavna | 4,809.08 mi (7,739.47 km) |
| Carteret to Tutrakan | 4,804.41 mi (7,731.95 km) |
| Carteret to Varna | 4,891.06 mi (7,871.39 km) |
