| Fond du Lac to Karlovo | 5,181.28 mi (8,338.46 km) |
| Fond du Lac to Karnobat | 5,256.95 mi (8,460.25 km) |
| Fond du Lac to Kavarna | 5,261.36 mi (8,467.34 km) |
| Fond du Lac to Kazanlak | 5,203.27 mi (8,373.86 km) |
| Fond du Lac to Knezha | 5,113.25 mi (8,228.98 km) |
| Fond du Lac to Kostinbrod | 5,116.75 mi (8,234.62 km) |
| Fond du Lac to Kozloduy | 5,087.01 mi (8,186.75 km) |
| Fond du Lac to Kyustendil | 5,124.13 mi (8,246.48 km) |
| Fond du Lac to Levski | 5,156.27 mi (8,298.22 km) |
| Fond du Lac to Lom | 5,067.65 mi (8,155.59 km) |
| Fond du Lac to Lovech | 5,153.51 mi (8,293.78 km) |
| Fond du Lac to Lukovit | 5,131.09 mi (8,257.69 km) |
| Fond du Lac to Lyaskovets | 5,189.80 mi (8,352.18 km) |
| Fond du Lac to Mezdra | 5,117.26 mi (8,235.43 km) |
| Fond du Lac to Momchilgrad | 5,258.63 mi (8,462.95 km) |
