| West Mifflin to Popovo | 5,051.64 mi (8,129.83 km) |
| West Mifflin to Provadia | 5,105.06 mi (8,215.80 km) |
| West Mifflin to Radnevo | 5,086.78 mi (8,186.38 km) |
| West Mifflin to Radomir | 4,958.18 mi (7,979.42 km) |
| West Mifflin to Rakitovo | 5,027.87 mi (8,091.57 km) |
| West Mifflin to Rakovski | 5,049.36 mi (8,126.16 km) |
| West Mifflin to Razgrad | 5,054.34 mi (8,134.17 km) |
| West Mifflin to Razlog | 5,007.64 mi (8,059.01 km) |
| West Mifflin to Ruse | 5,019.93 mi (8,078.79 km) |
| West Mifflin to Samokov | 4,991.47 mi (8,032.99 km) |
| West Mifflin to Sandanski | 5,013.94 mi (8,069.16 km) |
| West Mifflin to Sevlievo | 5,022.67 mi (8,083.20 km) |
| West Mifflin to Shumen | 5,081.46 mi (8,177.82 km) |
| West Mifflin to Silistra | 5,056.48 mi (8,137.62 km) |
| West Mifflin to Sliven | 5,085.23 mi (8,183.89 km) |
