| Hradec Kralove to Smolyan | 731.72 mi (1,177.58 km) |
| Hradec Kralove to Sofia | 629.03 mi (1,012.33 km) |
| Hradec Kralove to Sopot | 672.18 mi (1,081.77 km) |
| Hradec Kralove to Sozopol | 779.71 mi (1,254.82 km) |
| Hradec Kralove to Sredets | 766.20 mi (1,233.09 km) |
| Hradec Kralove to Stamboliyski | 695.19 mi (1,118.79 km) |
| Hradec Kralove to Stara Zagora | 711.61 mi (1,145.23 km) |
| Hradec Kralove to Svilengrad | 765.34 mi (1,231.70 km) |
| Hradec Kralove to Svishtov | 638.78 mi (1,028.02 km) |
| Hradec Kralove to Targovishte | 699.03 mi (1,124.99 km) |
| Hradec Kralove to Teteven | 642.91 mi (1,034.66 km) |
| Hradec Kralove to Troyan | 658.19 mi (1,059.25 km) |
| Hradec Kralove to Tryavna | 683.35 mi (1,099.74 km) |
| Hradec Kralove to Tutrakan | 660.74 mi (1,063.36 km) |
| Hradec Kralove to Varna | 747.49 mi (1,202.97 km) |
