| IJsselstein to Karlovo | 1,124.10 mi (1,809.07 km) |
| IJsselstein to Karnobat | 1,208.07 mi (1,944.19 km) |
| IJsselstein to Kavarna | 1,226.97 mi (1,974.62 km) |
| IJsselstein to Kazanlak | 1,147.83 mi (1,847.25 km) |
| IJsselstein to Knezha | 1,057.63 mi (1,702.08 km) |
| IJsselstein to Kostinbrod | 1,056.60 mi (1,700.43 km) |
| IJsselstein to Kozloduy | 1,031.62 mi (1,660.24 km) |
| IJsselstein to Kyustendil | 1,062.90 mi (1,710.57 km) |
| IJsselstein to Levski | 1,103.85 mi (1,776.47 km) |
| IJsselstein to Lom | 1,010.86 mi (1,626.82 km) |
| IJsselstein to Lovech | 1,098.24 mi (1,767.45 km) |
| IJsselstein to Lukovit | 1,074.35 mi (1,728.99 km) |
| IJsselstein to Lyaskovets | 1,138.20 mi (1,831.76 km) |
| IJsselstein to Mezdra | 1,059.03 mi (1,704.34 km) |
| IJsselstein to Momchilgrad | 1,199.31 mi (1,930.10 km) |
