| Cities | Distance |
|---|---|
| Neckarsulm to Popovo | 904.34 mi (1,455.40 km) |
| Neckarsulm to Provadia | 961.59 mi (1,547.53 km) |
| Neckarsulm to Radnevo | 932.82 mi (1,501.23 km) |
| Neckarsulm to Radomir | 802.16 mi (1,290.96 km) |
| Neckarsulm to Rakitovo | 871.75 mi (1,402.95 km) |
| Neckarsulm to Rakovski | 893.81 mi (1,438.44 km) |
| Neckarsulm to Razgrad | 909.71 mi (1,464.03 km) |
| Neckarsulm to Razlog | 852.15 mi (1,371.41 km) |
| Neckarsulm to Ruse | 875.28 mi (1,408.62 km) |
| Neckarsulm to Samokov | 835.34 mi (1,344.34 km) |
| Neckarsulm to Sandanski | 859.60 mi (1,383.40 km) |
| Neckarsulm to Sevlievo | 869.76 mi (1,399.74 km) |
| Neckarsulm to Shumen | 936.58 mi (1,507.27 km) |
| Neckarsulm to Silistra | 921.57 mi (1,483.12 km) |
| Neckarsulm to Sliven | 934.01 mi (1,503.15 km) |