| Phoenix to Smolyan | 6,564.06 mi (10,563.83 km) |
| Phoenix to Sofia | 6,460.51 mi (10,397.18 km) |
| Phoenix to Sopot | 6,505.07 mi (10,468.90 km) |
| Phoenix to Sozopol | 6,601.98 mi (10,624.86 km) |
| Phoenix to Sredets | 6,591.99 mi (10,608.78 km) |
| Phoenix to Stamboliyski | 6,528.00 mi (10,505.81 km) |
| Phoenix to Stara Zagora | 6,543.38 mi (10,530.54 km) |
| Phoenix to Svilengrad | 6,597.32 mi (10,617.37 km) |
| Phoenix to Svishtov | 6,467.29 mi (10,408.09 km) |
| Phoenix to Targovishte | 6,522.85 mi (10,497.51 km) |
| Phoenix to Teteven | 6,475.92 mi (10,421.98 km) |
| Phoenix to Troyan | 6,490.88 mi (10,446.06 km) |
| Phoenix to Tryavna | 6,514.32 mi (10,483.79 km) |
| Phoenix to Tutrakan | 6,477.66 mi (10,424.79 km) |
| Phoenix to Varna | 6,561.34 mi (10,559.46 km) |
