| Prescott Valley to Popovo | 6,451.66 mi (10,382.94 km) |
| Prescott Valley to Provadia | 6,493.93 mi (10,450.96 km) |
| Prescott Valley to Radnevo | 6,504.03 mi (10,467.23 km) |
| Prescott Valley to Radomir | 6,403.83 mi (10,305.98 km) |
| Prescott Valley to Rakitovo | 6,469.17 mi (10,411.12 km) |
| Prescott Valley to Rakovski | 6,477.27 mi (10,424.15 km) |
| Prescott Valley to Razgrad | 6,448.77 mi (10,378.29 km) |
| Prescott Valley to Razlog | 6,456.71 mi (10,391.07 km) |
| Prescott Valley to Ruse | 6,416.64 mi (10,326.59 km) |
| Prescott Valley to Samokov | 6,433.66 mi (10,353.97 km) |
| Prescott Valley to Sandanski | 6,469.03 mi (10,410.90 km) |
| Prescott Valley to Sevlievo | 6,439.22 mi (10,362.92 km) |
| Prescott Valley to Shumen | 6,474.61 mi (10,419.87 km) |
| Prescott Valley to Silistra | 6,434.75 mi (10,355.73 km) |
| Prescott Valley to Sliven | 6,493.02 mi (10,449.51 km) |
