| Gross-Umstadt to Popovo | 933.36 mi (1,502.09 km) |
| Gross-Umstadt to Provadia | 989.62 mi (1,592.64 km) |
| Gross-Umstadt to Radnevo | 964.60 mi (1,552.37 km) |
| Gross-Umstadt to Radomir | 837.24 mi (1,347.41 km) |
| Gross-Umstadt to Rakitovo | 906.50 mi (1,458.87 km) |
| Gross-Umstadt to Rakovski | 926.80 mi (1,491.55 km) |
| Gross-Umstadt to Razgrad | 937.93 mi (1,509.46 km) |
| Gross-Umstadt to Razlog | 887.90 mi (1,428.94 km) |
| Gross-Umstadt to Ruse | 903.43 mi (1,453.92 km) |
| Gross-Umstadt to Samokov | 870.05 mi (1,400.21 km) |
| Gross-Umstadt to Sandanski | 896.18 mi (1,442.27 km) |
| Gross-Umstadt to Sevlievo | 900.92 mi (1,449.89 km) |
| Gross-Umstadt to Shumen | 964.94 mi (1,552.92 km) |
| Gross-Umstadt to Silistra | 947.45 mi (1,524.77 km) |
| Gross-Umstadt to Sliven | 964.47 mi (1,552.17 km) |
