| Phoenixville to Popovo | 4,890.22 mi (7,870.05 km) |
| Phoenixville to Provadia | 4,944.93 mi (7,958.10 km) |
| Phoenixville to Radnevo | 4,922.47 mi (7,921.95 km) |
| Phoenixville to Radomir | 4,790.41 mi (7,709.42 km) |
| Phoenixville to Rakitovo | 4,860.28 mi (7,821.87 km) |
| Phoenixville to Rakovski | 4,883.69 mi (7,859.53 km) |
| Phoenixville to Razgrad | 4,893.75 mi (7,875.73 km) |
| Phoenixville to Razlog | 4,838.99 mi (7,787.61 km) |
| Phoenixville to Ruse | 4,859.25 mi (7,820.21 km) |
| Phoenixville to Samokov | 4,824.00 mi (7,763.47 km) |
| Phoenixville to Sandanski | 4,844.32 mi (7,796.18 km) |
| Phoenixville to Sevlievo | 4,858.93 mi (7,819.69 km) |
| Phoenixville to Shumen | 4,920.86 mi (7,919.36 km) |
| Phoenixville to Silistra | 4,898.34 mi (7,883.12 km) |
| Phoenixville to Sliven | 4,922.37 mi (7,921.80 km) |
