| Kirkby to Karlovo | 1,468.22 mi (2,362.87 km) |
| Kirkby to Karnobat | 1,553.76 mi (2,500.54 km) |
| Kirkby to Kavarna | 1,573.21 mi (2,531.83 km) |
| Kirkby to Kazanlak | 1,492.46 mi (2,401.88 km) |
| Kirkby to Knezha | 1,402.35 mi (2,256.87 km) |
| Kirkby to Kostinbrod | 1,399.09 mi (2,251.62 km) |
| Kirkby to Kozloduy | 1,376.46 mi (2,215.19 km) |
| Kirkby to Kyustendil | 1,403.22 mi (2,258.26 km) |
| Kirkby to Levski | 1,449.19 mi (2,332.25 km) |
| Kirkby to Lom | 1,355.31 mi (2,181.16 km) |
| Kirkby to Lovech | 1,443.00 mi (2,322.28 km) |
| Kirkby to Lukovit | 1,418.70 mi (2,283.18 km) |
| Kirkby to Lyaskovets | 1,483.63 mi (2,387.67 km) |
| Kirkby to Mezdra | 1,402.80 mi (2,257.60 km) |
| Kirkby to Momchilgrad | 1,542.22 mi (2,481.97 km) |
