| Kailua to Karlovo | 8,009.39 mi (12,889.86 km) |
| Kailua to Karnobat | 8,002.84 mi (12,879.32 km) |
| Kailua to Kavarna | 7,941.22 mi (12,780.16 km) |
| Kailua to Kazanlak | 8,009.69 mi (12,890.36 km) |
| Kailua to Knezha | 7,951.70 mi (12,797.02 km) |
| Kailua to Kostinbrod | 7,999.99 mi (12,874.73 km) |
| Kailua to Kozloduy | 7,932.65 mi (12,766.37 km) |
| Kailua to Kyustendil | 8,037.17 mi (12,934.58 km) |
| Kailua to Levski | 7,958.68 mi (12,808.26 km) |
| Kailua to Lom | 7,930.27 mi (12,762.54 km) |
| Kailua to Lovech | 7,975.69 mi (12,835.64 km) |
| Kailua to Lukovit | 7,972.27 mi (12,830.13 km) |
| Kailua to Lyaskovets | 7,975.41 mi (12,835.18 km) |
| Kailua to Mezdra | 7,976.43 mi (12,836.83 km) |
| Kailua to Momchilgrad | 8,084.38 mi (13,010.55 km) |
