| Gluckstadt to Popovo | 1,049.24 mi (1,688.59 km) |
| Gluckstadt to Provadia | 1,097.73 mi (1,766.63 km) |
| Gluckstadt to Radnevo | 1,095.76 mi (1,763.45 km) |
| Gluckstadt to Radomir | 992.45 mi (1,597.19 km) |
| Gluckstadt to Rakitovo | 1,057.40 mi (1,701.72 km) |
| Gluckstadt to Rakovski | 1,066.49 mi (1,716.35 km) |
| Gluckstadt to Razgrad | 1,049.05 mi (1,688.28 km) |
| Gluckstadt to Razlog | 1,045.45 mi (1,682.49 km) |
| Gluckstadt to Ruse | 1,015.41 mi (1,634.15 km) |
| Gluckstadt to Samokov | 1,021.94 mi (1,644.66 km) |
| Gluckstadt to Sandanski | 1,058.59 mi (1,703.63 km) |
| Gluckstadt to Sevlievo | 1,030.60 mi (1,658.59 km) |
| Gluckstadt to Shumen | 1,075.84 mi (1,731.40 km) |
| Gluckstadt to Silistra | 1,044.58 mi (1,681.08 km) |
| Gluckstadt to Sliven | 1,087.77 mi (1,750.60 km) |
