| Cities | Distance |
|---|---|
| Ostwald to Karlovo | 918.92 mi (1,478.86 km) |
| Ostwald to Karnobat | 1,013.81 mi (1,631.57 km) |
| Ostwald to Kavarna | 1,047.15 mi (1,685.22 km) |
| Ostwald to Kazanlak | 945.46 mi (1,521.57 km) |
| Ostwald to Knezha | 857.13 mi (1,379.41 km) |
| Ostwald to Kostinbrod | 844.56 mi (1,359.19 km) |
| Ostwald to Kozloduy | 832.28 mi (1,339.43 km) |
| Ostwald to Kyustendil | 843.19 mi (1,356.99 km) |
| Ostwald to Levski | 907.51 mi (1,460.50 km) |
| Ostwald to Lom | 809.25 mi (1,302.37 km) |
| Ostwald to Lovech | 897.36 mi (1,444.15 km) |
| Ostwald to Lukovit | 871.19 mi (1,402.05 km) |
| Ostwald to Lyaskovets | 942.15 mi (1,516.24 km) |
| Ostwald to Mezdra | 852.85 mi (1,372.53 km) |
| Ostwald to Momchilgrad | 987.60 mi (1,589.38 km) |