| Sint Willebrord to Karlovo | 1,126.78 mi (1,813.38 km) |
| Sint Willebrord to Karnobat | 1,213.03 mi (1,952.18 km) |
| Sint Willebrord to Kavarna | 1,234.55 mi (1,986.81 km) |
| Sint Willebrord to Kazanlak | 1,151.11 mi (1,852.54 km) |
| Sint Willebrord to Knezha | 1,061.05 mi (1,707.59 km) |
| Sint Willebrord to Kostinbrod | 1,057.73 mi (1,702.26 km) |
| Sint Willebrord to Kozloduy | 1,035.19 mi (1,665.98 km) |
| Sint Willebrord to Kyustendil | 1,062.41 mi (1,709.78 km) |
| Sint Willebrord to Levski | 1,108.18 mi (1,783.44 km) |
| Sint Willebrord to Lom | 1,013.94 mi (1,631.77 km) |
| Sint Willebrord to Lovech | 1,101.70 mi (1,773.01 km) |
| Sint Willebrord to Lukovit | 1,077.30 mi (1,733.75 km) |
| Sint Willebrord to Lyaskovets | 1,142.67 mi (1,838.95 km) |
| Sint Willebrord to Mezdra | 1,061.35 mi (1,708.08 km) |
| Sint Willebrord to Momchilgrad | 1,200.82 mi (1,932.53 km) |
