| Hradec Kralove to Obernburg am Main | 297.99 mi (479.57 km) |
| Hradec Kralove to Obernkirchen | 323.20 mi (520.14 km) |
| Hradec Kralove to Oberschleissheim | 235.24 mi (378.58 km) |
| Hradec Kralove to Oberstdorf | 318.07 mi (511.88 km) |
| Hradec Kralove to Obertraubling | 185.27 mi (298.16 km) |
| Hradec Kralove to Obertshausen | 309.99 mi (498.88 km) |
| Hradec Kralove to Oberursel | 320.71 mi (516.14 km) |
| Hradec Kralove to Ochsenfurt | 259.26 mi (417.24 km) |
| Hradec Kralove to Ochsenhausen | 304.08 mi (489.37 km) |
| Hradec Kralove to Ochtrup | 398.40 mi (641.17 km) |
| Hradec Kralove to Odenthal | 386.04 mi (621.26 km) |
| Hradec Kralove to Oelde | 352.03 mi (566.54 km) |
| Hradec Kralove to Oelsnitz | 162.35 mi (261.28 km) |
| Hradec Kralove to Oer-Erkenschwick | 386.37 mi (621.80 km) |
| Hradec Kralove to Oerlinghausen | 333.67 mi (536.99 km) |
