| Cities | Distance |
|---|
| Ilsenburg to Popovo | 929.92 mi (1,496.56 km) |
| Ilsenburg to Provadia | 981.31 mi (1,579.27 km) |
| Ilsenburg to Radnevo | 971.96 mi (1,564.22 km) |
| Ilsenburg to Radomir | 861.34 mi (1,386.20 km) |
| Ilsenburg to Rakitovo | 927.78 mi (1,493.11 km) |
| Ilsenburg to Rakovski | 940.01 mi (1,512.81 km) |
| Ilsenburg to Razgrad | 931.29 mi (1,498.76 km) |
| Ilsenburg to Razlog | 914.04 mi (1,471.00 km) |
| Ilsenburg to Ruse | 897.12 mi (1,443.78 km) |
| Ilsenburg to Samokov | 891.86 mi (1,435.32 km) |
| Ilsenburg to Sandanski | 926.04 mi (1,490.31 km) |
| Ilsenburg to Sevlievo | 906.84 mi (1,459.42 km) |
| Ilsenburg to Shumen | 958.34 mi (1,542.29 km) |
| Ilsenburg to Silistra | 931.55 mi (1,499.18 km) |
| Ilsenburg to Sliven | 966.35 mi (1,555.18 km) |
