| Orlické Záhoří | 51764 | Orlické Záhoří |  |
|
| Orličky | 56155 | Orličky | | |
| Orlov | 26101 | Orlov | | |
| Orlov | 39133 | Orlov | | |
| Orlov | 56601 | Orlov | | |
| Orlova | | ZIP code Orlova » Karvina » Czech Republic | | |
| Orlovice | 68201 | Orlovice | | |
| Orlovice | 34506 | Orlovice | | |
| Orlík | 56201 | Orlík | | |
| Orlík nad Vltavou | 39807 | Orlík nad Vltavou | | |
| Osecna | 463 52 | ZIP code Osecna » Liberec » Czech Republic | | |
| Osecnice | 517 03 | ZIP code Osecnice » Rychnov nad Kneznou » Czech Republic | | |
| Osek | 417 05 | ZIP code Osek » Teplice » Czech Republic | | |
| Osek | 386 01 | ZIP code Osek » Strakonice » Czech Republic | | |
| Osek | 39901 | Osek | | |
| Osek | 33401 | Osek | | |
| Osek | 26762 | Osek | | |
| Osek | 29404 | Osek | | |
| Osek | 33821 | Osek | | |
| Osek | 28903 | Osek | | |
| Osek nad Bečvou | 75122 | Osek nad Bečvou | | |
| Oseky | 38301 | Oseky | | |
| Oselce | 335 46 | ZIP code Oselce » Plzen-jih » Czech Republic | | |
| Oselin | 349 01 | ZIP code Oselin » Tachov » Czech Republic | | |
| Osenice | 50723 | Osenice | | |
