| Bartlett to Smolyan | 5,704.89 mi (9,181.14 km) |
| Bartlett to Sofia | 5,601.31 mi (9,014.44 km) |
| Bartlett to Sopot | 5,658.06 mi (9,105.76 km) |
| Bartlett to Sozopol | 5,780.00 mi (9,302.01 km) |
| Bartlett to Sredets | 5,764.50 mi (9,277.07 km) |
| Bartlett to Stamboliyski | 5,673.34 mi (9,130.35 km) |
| Bartlett to Stara Zagora | 5,702.24 mi (9,176.86 km) |
| Bartlett to Svilengrad | 5,754.05 mi (9,260.25 km) |
| Bartlett to Svishtov | 5,636.44 mi (9,070.98 km) |
| Bartlett to Targovishte | 5,699.37 mi (9,172.24 km) |
| Bartlett to Teteven | 5,627.48 mi (9,056.55 km) |
| Bartlett to Troyan | 5,646.14 mi (9,086.58 km) |
| Bartlett to Tryavna | 5,676.56 mi (9,135.54 km) |
| Bartlett to Tutrakan | 5,663.32 mi (9,114.23 km) |
| Bartlett to Varna | 5,750.13 mi (9,253.94 km) |
