| Prescott Valley to Smolyan | 6,509.93 mi (10,476.72 km) |
| Prescott Valley to Sofia | 6,406.54 mi (10,310.34 km) |
| Prescott Valley to Sopot | 6,450.42 mi (10,380.95 km) |
| Prescott Valley to Sozopol | 6,545.97 mi (10,534.72 km) |
| Prescott Valley to Sredets | 6,536.26 mi (10,519.09 km) |
| Prescott Valley to Stamboliyski | 6,473.70 mi (10,418.42 km) |
| Prescott Valley to Stara Zagora | 6,488.38 mi (10,442.03 km) |
| Prescott Valley to Svilengrad | 6,542.35 mi (10,528.89 km) |
| Prescott Valley to Svishtov | 6,411.90 mi (10,318.95 km) |
| Prescott Valley to Targovishte | 6,467.03 mi (10,407.68 km) |
| Prescott Valley to Teteven | 6,421.38 mi (10,334.21 km) |
| Prescott Valley to Troyan | 6,436.14 mi (10,357.96 km) |
| Prescott Valley to Tryavna | 6,459.20 mi (10,395.08 km) |
| Prescott Valley to Tutrakan | 6,421.47 mi (10,334.36 km) |
| Prescott Valley to Varna | 6,504.89 mi (10,468.60 km) |
