| Loudoun Valley Estates to Popovo | 5,022.44 mi (8,082.84 km) |
| Loudoun Valley Estates to Provadia | 5,077.07 mi (8,170.76 km) |
| Loudoun Valley Estates to Radnevo | 5,054.86 mi (8,135.01 km) |
| Loudoun Valley Estates to Radomir | 4,922.94 mi (7,922.71 km) |
| Loudoun Valley Estates to Rakitovo | 4,992.81 mi (8,035.15 km) |
| Loudoun Valley Estates to Rakovski | 5,016.14 mi (8,072.69 km) |
| Loudoun Valley Estates to Razgrad | 5,025.92 mi (8,088.44 km) |
| Loudoun Valley Estates to Razlog | 4,971.55 mi (8,000.94 km) |
| Loudoun Valley Estates to Ruse | 4,991.42 mi (8,032.92 km) |
| Loudoun Valley Estates to Samokov | 4,956.52 mi (7,976.75 km) |
| Loudoun Valley Estates to Sandanski | 4,976.91 mi (8,009.56 km) |
| Loudoun Valley Estates to Sevlievo | 4,991.29 mi (8,032.70 km) |
| Loudoun Valley Estates to Shumen | 5,053.03 mi (8,132.07 km) |
| Loudoun Valley Estates to Silistra | 5,030.33 mi (8,095.54 km) |
| Loudoun Valley Estates to Sliven | 5,054.69 mi (8,134.73 km) |
