| Glenmont to Popovo | 4,999.89 mi (8,046.55 km) |
| Glenmont to Provadia | 5,054.61 mi (8,134.61 km) |
| Glenmont to Radnevo | 5,032.11 mi (8,098.39 km) |
| Glenmont to Radomir | 4,899.95 mi (7,885.72 km) |
| Glenmont to Rakitovo | 4,969.83 mi (7,998.17 km) |
| Glenmont to Rakovski | 4,993.29 mi (8,035.93 km) |
| Glenmont to Razgrad | 5,003.43 mi (8,052.24 km) |
| Glenmont to Razlog | 4,948.51 mi (7,963.85 km) |
| Glenmont to Ruse | 4,968.93 mi (7,996.72 km) |
| Glenmont to Samokov | 4,933.55 mi (7,939.79 km) |
| Glenmont to Sandanski | 4,953.79 mi (7,972.36 km) |
| Glenmont to Sevlievo | 4,968.58 mi (7,996.15 km) |
| Glenmont to Shumen | 5,030.54 mi (8,095.87 km) |
| Glenmont to Silistra | 5,008.02 mi (8,059.62 km) |
| Glenmont to Sliven | 5,032.03 mi (8,098.27 km) |
