| Gladenbach to Popovo | 972.46 mi (1,565.03 km) |
| Gladenbach to Provadia | 1,027.34 mi (1,653.34 km) |
| Gladenbach to Radnevo | 1,007.13 mi (1,620.82 km) |
| Gladenbach to Radomir | 884.21 mi (1,423.00 km) |
| Gladenbach to Rakitovo | 952.91 mi (1,533.55 km) |
| Gladenbach to Rakovski | 970.96 mi (1,562.61 km) |
| Gladenbach to Razgrad | 976.03 mi (1,570.77 km) |
| Gladenbach to Razlog | 935.60 mi (1,505.70 km) |
| Gladenbach to Ruse | 941.52 mi (1,515.23 km) |
| Gladenbach to Samokov | 916.49 mi (1,474.95 km) |
| Gladenbach to Sandanski | 944.91 mi (1,520.69 km) |
| Gladenbach to Sevlievo | 942.82 mi (1,517.32 km) |
| Gladenbach to Shumen | 1,003.13 mi (1,614.39 km) |
| Gladenbach to Silistra | 982.55 mi (1,581.25 km) |
| Gladenbach to Sliven | 1,005.33 mi (1,617.93 km) |
