| Hilo to Karlovo | 8,130.07 mi (13,084.09 km) |
| Hilo to Karnobat | 8,128.77 mi (13,081.99 km) |
| Hilo to Kavarna | 8,070.11 mi (12,987.59 km) |
| Hilo to Kazanlak | 8,131.82 mi (13,086.91 km) |
| Hilo to Knezha | 8,070.59 mi (12,988.36 km) |
| Hilo to Kostinbrod | 8,116.77 mi (13,062.67 km) |
| Hilo to Kozloduy | 8,050.69 mi (12,956.34 km) |
| Hilo to Kyustendil | 8,152.61 mi (13,120.35 km) |
| Hilo to Levski | 8,080.09 mi (13,003.65 km) |
| Hilo to Lom | 8,047.12 mi (12,950.59 km) |
| Hilo to Lovech | 8,096.13 mi (13,029.46 km) |
| Hilo to Lukovit | 8,091.37 mi (13,021.81 km) |
| Hilo to Lyaskovets | 8,098.24 mi (13,032.86 km) |
| Hilo to Mezdra | 8,094.40 mi (13,026.68 km) |
| Hilo to Momchilgrad | 8,206.67 mi (13,207.36 km) |
