| Arlington Heights to Karlovo | 5,247.89 mi (8,445.66 km) |
| Arlington Heights to Karnobat | 5,325.57 mi (8,570.68 km) |
| Arlington Heights to Kavarna | 5,332.15 mi (8,581.27 km) |
| Arlington Heights to Kazanlak | 5,270.40 mi (8,481.89 km) |
| Arlington Heights to Knezha | 5,180.25 mi (8,336.80 km) |
| Arlington Heights to Kostinbrod | 5,182.11 mi (8,339.79 km) |
| Arlington Heights to Kozloduy | 5,154.05 mi (8,294.64 km) |
| Arlington Heights to Kyustendil | 5,188.31 mi (8,349.77 km) |
| Arlington Heights to Levski | 5,224.06 mi (8,407.32 km) |
| Arlington Heights to Lom | 5,134.29 mi (8,262.84 km) |
| Arlington Heights to Lovech | 5,220.64 mi (8,401.81 km) |
| Arlington Heights to Lukovit | 5,197.80 mi (8,365.05 km) |
| Arlington Heights to Lyaskovets | 5,257.81 mi (8,461.62 km) |
| Arlington Heights to Mezdra | 5,183.47 mi (8,341.99 km) |
| Arlington Heights to Momchilgrad | 5,324.46 mi (8,568.90 km) |
