| Phoenix to Popovo | 6,507.35 mi (10,472.57 km) |
| Phoenix to Provadia | 6,550.13 mi (10,541.42 km) |
| Phoenix to Radnevo | 6,559.11 mi (10,555.87 km) |
| Phoenix to Radomir | 6,457.54 mi (10,392.40 km) |
| Phoenix to Rakitovo | 6,523.17 mi (10,498.02 km) |
| Phoenix to Rakovski | 6,531.86 mi (10,512.01 km) |
| Phoenix to Razgrad | 6,504.68 mi (10,468.28 km) |
| Phoenix to Razlog | 6,510.35 mi (10,477.39 km) |
| Phoenix to Ruse | 6,472.42 mi (10,416.35 km) |
| Phoenix to Samokov | 6,487.56 mi (10,440.72 km) |
| Phoenix to Sandanski | 6,522.42 mi (10,496.82 km) |
| Phoenix to Sevlievo | 6,494.22 mi (10,451.44 km) |
| Phoenix to Shumen | 6,530.61 mi (10,510.01 km) |
| Phoenix to Silistra | 6,491.27 mi (10,446.70 km) |
| Phoenix to Sliven | 6,548.47 mi (10,538.75 km) |
