| Prescott to Smolyan | 6,514.45 mi (10,484.00 km) |
| Prescott to Sofia | 6,411.08 mi (10,317.64 km) |
| Prescott to Sopot | 6,454.88 mi (10,388.12 km) |
| Prescott to Sozopol | 6,550.25 mi (10,541.61 km) |
| Prescott to Sredets | 6,540.57 mi (10,526.03 km) |
| Prescott to Stamboliyski | 6,478.20 mi (10,425.66 km) |
| Prescott to Stara Zagora | 6,492.79 mi (10,449.13 km) |
| Prescott to Svilengrad | 6,546.76 mi (10,536.00 km) |
| Prescott to Svishtov | 6,416.26 mi (10,325.97 km) |
| Prescott to Targovishte | 6,471.33 mi (10,414.60 km) |
| Prescott to Teteven | 6,425.85 mi (10,341.41 km) |
| Prescott to Troyan | 6,440.58 mi (10,365.11 km) |
| Prescott to Tryavna | 6,463.60 mi (10,402.15 km) |
| Prescott to Tutrakan | 6,425.73 mi (10,341.21 km) |
| Prescott to Varna | 6,509.11 mi (10,475.39 km) |
