| Killarney to Karlovo | 1,713.17 mi (2,757.09 km) |
| Killarney to Karnobat | 1,805.21 mi (2,905.21 km) |
| Killarney to Kavarna | 1,832.14 mi (2,948.55 km) |
| Killarney to Kazanlak | 1,739.14 mi (2,798.87 km) |
| Killarney to Knezha | 1,650.02 mi (2,655.45 km) |
| Killarney to Kostinbrod | 1,639.74 mi (2,638.91 km) |
| Killarney to Kozloduy | 1,624.73 mi (2,614.76 km) |
| Killarney to Kyustendil | 1,638.56 mi (2,637.00 km) |
| Killarney to Levski | 1,699.27 mi (2,734.72 km) |
| Killarney to Lom | 1,602.29 mi (2,578.63 km) |
| Killarney to Lovech | 1,690.50 mi (2,720.60 km) |
| Killarney to Lukovit | 1,664.85 mi (2,679.32 km) |
| Killarney to Lyaskovets | 1,733.94 mi (2,790.51 km) |
| Killarney to Mezdra | 1,647.15 mi (2,650.82 km) |
| Killarney to Momchilgrad | 1,782.90 mi (2,869.30 km) |
