| Katwijk to Karlovo | 1,153.17 mi (1,855.84 km) |
| Katwijk to Karnobat | 1,237.11 mi (1,990.94 km) |
| Katwijk to Kavarna | 1,255.86 mi (2,021.11 km) |
| Katwijk to Kazanlak | 1,176.90 mi (1,894.03 km) |
| Katwijk to Knezha | 1,086.69 mi (1,748.87 km) |
| Katwijk to Kostinbrod | 1,085.61 mi (1,747.12 km) |
| Katwijk to Kozloduy | 1,060.69 mi (1,707.02 km) |
| Katwijk to Kyustendil | 1,091.80 mi (1,757.08 km) |
| Katwijk to Levski | 1,132.91 mi (1,823.24 km) |
| Katwijk to Lom | 1,039.92 mi (1,673.60 km) |
| Katwijk to Lovech | 1,127.31 mi (1,814.24 km) |
| Katwijk to Lukovit | 1,103.41 mi (1,775.77 km) |
| Katwijk to Lyaskovets | 1,167.26 mi (1,878.52 km) |
| Katwijk to Mezdra | 1,088.08 mi (1,751.10 km) |
| Katwijk to Momchilgrad | 1,228.34 mi (1,976.82 km) |
