| Lake Zurich to Karlovo | 5,246.68 mi (8,443.72 km) |
| Lake Zurich to Karnobat | 5,324.19 mi (8,568.45 km) |
| Lake Zurich to Kavarna | 5,330.57 mi (8,578.72 km) |
| Lake Zurich to Kazanlak | 5,269.15 mi (8,479.87 km) |
| Lake Zurich to Knezha | 5,179.00 mi (8,334.80 km) |
| Lake Zurich to Kostinbrod | 5,181.01 mi (8,338.02 km) |
| Lake Zurich to Kozloduy | 5,152.80 mi (8,292.63 km) |
| Lake Zurich to Kyustendil | 5,187.31 mi (8,348.17 km) |
| Lake Zurich to Levski | 5,222.75 mi (8,405.20 km) |
| Lake Zurich to Lom | 5,133.07 mi (8,260.88 km) |
| Lake Zurich to Lovech | 5,219.39 mi (8,399.79 km) |
| Lake Zurich to Lukovit | 5,196.58 mi (8,363.08 km) |
| Lake Zurich to Lyaskovets | 5,256.47 mi (8,459.48 km) |
| Lake Zurich to Mezdra | 5,182.30 mi (8,340.10 km) |
| Lake Zurich to Momchilgrad | 5,323.33 mi (8,567.06 km) |
