| Katrineholm to Karlovo | 1,188.63 mi (1,912.91 km) |
| Katrineholm to Karnobat | 1,221.32 mi (1,965.52 km) |
| Katrineholm to Kavarna | 1,192.61 mi (1,919.32 km) |
| Katrineholm to Kazanlak | 1,198.51 mi (1,928.81 km) |
| Katrineholm to Knezha | 1,122.06 mi (1,805.78 km) |
| Katrineholm to Kostinbrod | 1,157.67 mi (1,863.09 km) |
| Katrineholm to Kozloduy | 1,098.74 mi (1,768.25 km) |
| Katrineholm to Kyustendil | 1,188.09 mi (1,912.05 km) |
| Katrineholm to Levski | 1,144.98 mi (1,842.67 km) |
| Katrineholm to Lom | 1,089.98 mi (1,754.16 km) |
| Katrineholm to Lovech | 1,154.69 mi (1,858.30 km) |
| Katrineholm to Lukovit | 1,143.18 mi (1,839.76 km) |
| Katrineholm to Lyaskovets | 1,171.05 mi (1,884.62 km) |
| Katrineholm to Mezdra | 1,140.80 mi (1,835.93 km) |
| Katrineholm to Momchilgrad | 1,270.84 mi (2,045.22 km) |
