| Falls Church to Popovo | 5,013.58 mi (8,068.58 km) |
| Falls Church to Provadia | 5,068.34 mi (8,156.70 km) |
| Falls Church to Radnevo | 5,045.71 mi (8,120.28 km) |
| Falls Church to Radomir | 4,913.45 mi (7,907.43 km) |
| Falls Church to Rakitovo | 4,983.33 mi (8,019.90 km) |
| Falls Church to Rakovski | 5,006.85 mi (8,057.75 km) |
| Falls Church to Razgrad | 5,017.14 mi (8,074.31 km) |
| Falls Church to Razlog | 4,961.97 mi (7,985.52 km) |
| Falls Church to Ruse | 4,982.64 mi (8,018.79 km) |
| Falls Church to Samokov | 4,947.06 mi (7,961.52 km) |
| Falls Church to Sandanski | 4,967.22 mi (7,993.97 km) |
| Falls Church to Sevlievo | 4,982.20 mi (8,018.07 km) |
| Falls Church to Shumen | 5,044.25 mi (8,117.94 km) |
| Falls Church to Silistra | 5,021.80 mi (8,081.81 km) |
| Falls Church to Sliven | 5,045.68 mi (8,120.24 km) |
