| Sulz am Neckar to Popovo | 912.44 mi (1,468.43 km) |
| Sulz am Neckar to Provadia | 971.06 mi (1,562.78 km) |
| Sulz am Neckar to Radnevo | 936.12 mi (1,506.54 km) |
| Sulz am Neckar to Radomir | 799.93 mi (1,287.37 km) |
| Sulz am Neckar to Rakitovo | 869.85 mi (1,399.89 km) |
| Sulz am Neckar to Rakovski | 895.08 mi (1,440.49 km) |
| Sulz am Neckar to Razgrad | 919.05 mi (1,479.07 km) |
| Sulz am Neckar to Razlog | 848.39 mi (1,365.35 km) |
| Sulz am Neckar to Ruse | 884.89 mi (1,424.09 km) |
| Sulz am Neckar to Samokov | 833.65 mi (1,341.63 km) |
| Sulz am Neckar to Sandanski | 854.14 mi (1,374.60 km) |
| Sulz am Neckar to Sevlievo | 874.38 mi (1,407.17 km) |
| Sulz am Neckar to Shumen | 945.61 mi (1,521.81 km) |
| Sulz am Neckar to Silistra | 934.54 mi (1,503.99 km) |
| Sulz am Neckar to Sliven | 939.59 mi (1,512.12 km) |
