| West Lafayette to Karlovo | 5,290.80 mi (8,514.72 km) |
| West Lafayette to Karnobat | 5,370.87 mi (8,643.58 km) |
| West Lafayette to Kavarna | 5,380.11 mi (8,658.45 km) |
| West Lafayette to Kazanlak | 5,313.92 mi (8,551.93 km) |
| West Lafayette to Knezha | 5,223.69 mi (8,406.72 km) |
| West Lafayette to Kostinbrod | 5,223.54 mi (8,406.48 km) |
| West Lafayette to Kozloduy | 5,197.55 mi (8,364.66 km) |
| West Lafayette to Kyustendil | 5,228.32 mi (8,414.17 km) |
| West Lafayette to Levski | 5,268.44 mi (8,478.73 km) |
| West Lafayette to Lom | 5,177.33 mi (8,332.11 km) |
| West Lafayette to Lovech | 5,264.21 mi (8,471.92 km) |
| West Lafayette to Lukovit | 5,240.86 mi (8,434.35 km) |
| West Lafayette to Lyaskovets | 5,302.41 mi (8,533.40 km) |
| West Lafayette to Mezdra | 5,225.96 mi (8,410.36 km) |
| West Lafayette to Momchilgrad | 5,366.36 mi (8,636.32 km) |
