| Hradec Kralove to Karlovo | 674.25 mi (1,085.09 km) |
| Hradec Kralove to Karnobat | 744.21 mi (1,197.68 km) |
| Hradec Kralove to Kavarna | 752.31 mi (1,210.73 km) |
| Hradec Kralove to Kazanlak | 693.80 mi (1,116.57 km) |
| Hradec Kralove to Knezha | 604.96 mi (973.58 km) |
| Hradec Kralove to Kostinbrod | 619.15 mi (996.43 km) |
| Hradec Kralove to Kozloduy | 578.79 mi (931.47 km) |
| Hradec Kralove to Kyustendil | 637.39 mi (1,025.78 km) |
| Hradec Kralove to Levski | 644.90 mi (1,037.86 km) |
| Hradec Kralove to Lom | 561.76 mi (904.06 km) |
| Hradec Kralove to Lovech | 644.35 mi (1,036.99 km) |
| Hradec Kralove to Lukovit | 624.09 mi (1,004.37 km) |
| Hradec Kralove to Lyaskovets | 677.87 mi (1,090.92 km) |
| Hradec Kralove to Mezdra | 613.28 mi (986.97 km) |
| Hradec Kralove to Momchilgrad | 754.97 mi (1,215.01 km) |
