| Cities | Distance |
|---|---|
| Heidenheim to Popovo | 852.57 mi (1,372.07 km) |
| Heidenheim to Provadia | 910.29 mi (1,464.97 km) |
| Heidenheim to Radnevo | 879.71 mi (1,415.75 km) |
| Heidenheim to Radomir | 747.85 mi (1,203.56 km) |
| Heidenheim to Rakitovo | 817.53 mi (1,315.68 km) |
| Heidenheim to Rakovski | 840.21 mi (1,352.18 km) |
| Heidenheim to Razgrad | 858.34 mi (1,381.36 km) |
| Heidenheim to Razlog | 797.63 mi (1,283.66 km) |
| Heidenheim to Ruse | 823.98 mi (1,326.07 km) |
| Heidenheim to Samokov | 781.13 mi (1,257.11 km) |
| Heidenheim to Sandanski | 804.86 mi (1,295.29 km) |
| Heidenheim to Sevlievo | 816.95 mi (1,314.75 km) |
| Heidenheim to Shumen | 885.12 mi (1,424.46 km) |
| Heidenheim to Silistra | 871.52 mi (1,402.58 km) |
| Heidenheim to Sliven | 881.50 mi (1,418.63 km) |