| Westbrook to Karlovo | 4,501.85 mi (7,245.03 km) |
| Westbrook to Karnobat | 4,589.45 mi (7,386.01 km) |
| Westbrook to Kavarna | 4,608.09 mi (7,416.00 km) |
| Westbrook to Kazanlak | 4,526.86 mi (7,285.27 km) |
| Westbrook to Knezha | 4,437.00 mi (7,140.66 km) |
| Westbrook to Kostinbrod | 4,430.24 mi (7,129.79 km) |
| Westbrook to Kozloduy | 4,411.27 mi (7,099.25 km) |
| Westbrook to Kyustendil | 4,430.46 mi (7,130.14 km) |
| Westbrook to Levski | 4,484.57 mi (7,217.23 km) |
| Westbrook to Lom | 4,389.64 mi (7,064.44 km) |
| Westbrook to Lovech | 4,477.64 mi (7,206.06 km) |
| Westbrook to Lukovit | 4,452.79 mi (7,166.08 km) |
| Westbrook to Lyaskovets | 4,519.09 mi (7,272.77 km) |
| Westbrook to Mezdra | 4,436.05 mi (7,139.14 km) |
| Westbrook to Momchilgrad | 4,573.58 mi (7,360.47 km) |
