| Buffalo Grove to Karlovo | 5,243.58 mi (8,438.72 km) |
| Buffalo Grove to Karnobat | 5,321.21 mi (8,563.65 km) |
| Buffalo Grove to Kavarna | 5,327.72 mi (8,574.14 km) |
| Buffalo Grove to Kazanlak | 5,266.07 mi (8,474.93 km) |
| Buffalo Grove to Knezha | 5,175.92 mi (8,329.85 km) |
| Buffalo Grove to Kostinbrod | 5,177.83 mi (8,332.91 km) |
| Buffalo Grove to Kozloduy | 5,149.72 mi (8,287.68 km) |
| Buffalo Grove to Kyustendil | 5,184.06 mi (8,342.94 km) |
| Buffalo Grove to Levski | 5,219.72 mi (8,400.33 km) |
| Buffalo Grove to Lom | 5,129.97 mi (8,255.90 km) |
| Buffalo Grove to Lovech | 5,216.32 mi (8,394.85 km) |
| Buffalo Grove to Lukovit | 5,193.48 mi (8,358.10 km) |
| Buffalo Grove to Lyaskovets | 5,253.46 mi (8,454.62 km) |
| Buffalo Grove to Mezdra | 5,179.17 mi (8,335.07 km) |
| Buffalo Grove to Momchilgrad | 5,320.17 mi (8,561.99 km) |
