| Walnut Park to Karlovo | 6,650.33 mi (10,702.67 km) |
| Walnut Park to Karnobat | 6,705.08 mi (10,790.78 km) |
| Walnut Park to Kavarna | 6,688.20 mi (10,763.62 km) |
| Walnut Park to Kazanlak | 6,666.96 mi (10,729.44 km) |
| Walnut Park to Knezha | 6,580.81 mi (10,590.78 km) |
| Walnut Park to Kostinbrod | 6,598.83 mi (10,619.79 km) |
| Walnut Park to Kozloduy | 6,555.04 mi (10,549.31 km) |
| Walnut Park to Kyustendil | 6,616.07 mi (10,647.53 km) |
| Walnut Park to Levski | 6,615.28 mi (10,646.27 km) |
| Walnut Park to Lom | 6,539.78 mi (10,524.76 km) |
| Walnut Park to Lovech | 6,618.70 mi (10,651.76 km) |
| Walnut Park to Lukovit | 6,600.78 mi (10,622.93 km) |
| Walnut Park to Lyaskovets | 6,645.82 mi (10,695.41 km) |
| Walnut Park to Mezdra | 6,591.73 mi (10,608.36 km) |
| Walnut Park to Momchilgrad | 6,732.41 mi (10,834.76 km) |
