| Takoma Park to Popovo | 5,002.25 mi (8,050.35 km) |
| Takoma Park to Provadia | 5,057.01 mi (8,138.48 km) |
| Takoma Park to Radnevo | 5,034.36 mi (8,102.01 km) |
| Takoma Park to Radomir | 4,902.08 mi (7,889.13 km) |
| Takoma Park to Rakitovo | 4,971.96 mi (8,001.59 km) |
| Takoma Park to Rakovski | 4,995.49 mi (8,039.47 km) |
| Takoma Park to Razgrad | 5,005.82 mi (8,056.09 km) |
| Takoma Park to Razlog | 4,950.59 mi (7,967.21 km) |
| Takoma Park to Ruse | 4,971.31 mi (8,000.56 km) |
| Takoma Park to Samokov | 4,935.69 mi (7,943.22 km) |
| Takoma Park to Sandanski | 4,955.84 mi (7,975.66 km) |
| Takoma Park to Sevlievo | 4,970.85 mi (7,999.81 km) |
| Takoma Park to Shumen | 5,032.93 mi (8,099.71 km) |
| Takoma Park to Silistra | 5,010.49 mi (8,063.61 km) |
| Takoma Park to Sliven | 5,034.34 mi (8,101.98 km) |
