| Hradec Kralove to Oestrich-Winkel | 347.23 mi (558.81 km) |
| Hradec Kralove to Offenburg | 375.22 mi (603.86 km) |
| Hradec Kralove to Oftersheim | 328.30 mi (528.34 km) |
| Hradec Kralove to Ohrdruf | 228.02 mi (366.96 km) |
| Hradec Kralove to Ohringen | 291.32 mi (468.83 km) |
| Hradec Kralove to Olbernhau | 114.41 mi (184.13 km) |
| Hradec Kralove to Olching | 246.56 mi (396.79 km) |
| Hradec Kralove to Oldenburg | 383.96 mi (617.92 km) |
| Hradec Kralove to Oldenburg in Holstein | 351.53 mi (565.73 km) |
| Hradec Kralove to Olfen | 381.89 mi (614.59 km) |
| Hradec Kralove to Olpe | 354.93 mi (571.20 km) |
| Hradec Kralove to Olsberg | 330.44 mi (531.79 km) |
| Hradec Kralove to Oranienburg | 208.29 mi (335.20 km) |
| Hradec Kralove to Ortenberg | 299.27 mi (481.63 km) |
| Hradec Kralove to Oschatz | 140.95 mi (226.84 km) |
