| Kirkland to Karlovo | 5,878.49 mi (9,460.52 km) |
| Kirkland to Karnobat | 5,918.62 mi (9,525.11 km) |
| Kirkland to Kavarna | 5,889.73 mi (9,478.61 km) |
| Kirkland to Kazanlak | 5,891.22 mi (9,481.00 km) |
| Kirkland to Knezha | 5,809.98 mi (9,350.26 km) |
| Kirkland to Kostinbrod | 5,837.08 mi (9,393.87 km) |
| Kirkland to Kozloduy | 5,785.25 mi (9,310.46 km) |
| Kirkland to Kyustendil | 5,860.59 mi (9,431.70 km) |
| Kirkland to Levski | 5,838.04 mi (9,395.42 km) |
| Kirkland to Lom | 5,773.11 mi (9,290.93 km) |
| Kirkland to Lovech | 5,845.27 mi (9,407.05 km) |
| Kirkland to Lukovit | 5,830.77 mi (9,383.72 km) |
| Kirkland to Lyaskovets | 5,865.85 mi (9,440.17 km) |
| Kirkland to Mezdra | 5,825.11 mi (9,374.61 km) |
| Kirkland to Momchilgrad | 5,961.32 mi (9,593.82 km) |
