| Williston to Karlovo | 5,421.59 mi (8,725.21 km) |
| Williston to Karnobat | 5,480.16 mi (8,819.47 km) |
| Williston to Kavarna | 5,467.38 mi (8,798.90 km) |
| Williston to Kazanlak | 5,439.15 mi (8,753.47 km) |
| Williston to Knezha | 5,352.06 mi (8,613.30 km) |
| Williston to Kostinbrod | 5,367.97 mi (8,638.91 km) |
| Williston to Kozloduy | 5,326.12 mi (8,571.56 km) |
| Williston to Kyustendil | 5,383.93 mi (8,664.60 km) |
| Williston to Levski | 5,388.06 mi (8,671.25 km) |
| Williston to Lom | 5,310.18 mi (8,545.91 km) |
| Williston to Lovech | 5,390.47 mi (8,675.12 km) |
| Williston to Lukovit | 5,371.77 mi (8,645.02 km) |
| Williston to Lyaskovets | 5,419.24 mi (8,721.42 km) |
| Williston to Mezdra | 5,361.95 mi (8,629.23 km) |
| Williston to Momchilgrad | 5,503.21 mi (8,856.57 km) |
