| Cities | Distance |
|---|---|
| Heidelberg to Popovo | 931.17 mi (1,498.58 km) |
| Heidelberg to Provadia | 988.25 mi (1,590.43 km) |
| Heidelberg to Radnevo | 960.08 mi (1,545.09 km) |
| Heidelberg to Radomir | 829.74 mi (1,335.33 km) |
| Heidelberg to Rakitovo | 899.31 mi (1,447.29 km) |
| Heidelberg to Rakovski | 921.20 mi (1,482.53 km) |
| Heidelberg to Razgrad | 936.39 mi (1,506.98 km) |
| Heidelberg to Razlog | 879.77 mi (1,415.85 km) |
| Heidelberg to Ruse | 901.95 mi (1,451.54 km) |
| Heidelberg to Samokov | 862.89 mi (1,388.68 km) |
| Heidelberg to Sandanski | 887.25 mi (1,427.89 km) |
| Heidelberg to Sevlievo | 896.92 mi (1,443.45 km) |
| Heidelberg to Shumen | 963.29 mi (1,550.27 km) |
| Heidelberg to Silistra | 947.79 mi (1,525.32 km) |
| Heidelberg to Sliven | 961.08 mi (1,546.71 km) |