| Ordzovany | 053 06 | Postcode Ordzovany » Levoca » Slovakia |  |
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| Ordódyho | 947 03 | Postcode Ordodyho (street) » Hurbanovo » Slovakia | | |
| Orechov dvor | 949 01 | Postcode Orechov dvor (street) » Nitra » Slovakia | | |
| Orechovská | 911 05 | Postcode Orechovska (street) » Trencin » Slovakia | | |
| Orechová | 072 51 | Postcode Orechova » Sobrance » Slovakia | | |
| Orechová | 821 06 | Postcode Orechova (street) » Bratislava » Slovakia | | |
| Orechová | 947 03 | Postcode Orechova (street) » Hurbanovo » Slovakia | | |
| Orechová | 040 01 | Postcode Orechova (street) » Kosice » Slovakia | | |
| Orechová | 949 01 | Postcode Orechova (street) » Nitra » Slovakia | | |
| Orechová | 927 01 | Postcode Orechova (street) » Sala » Slovakia | | |
| Orechová | 943 01 | Postcode Orechova (street) » Sturovo » Slovakia | | |
| Orechová | 917 05 | Postcode Orechova (street) » Trnava » Slovakia | | |
| Orechová Potôň | 930 02 | Postcode Orechova Poton » Dunajska Streda » Slovakia | | |
| Orechová Potôň-Lúky | 930 52 | Postcode Orechova Poton-Luky » Dunajska Streda » Slovakia | | |
| Orechová cesta | 851 04 | Postcode Orechova cesta (street) » Bratislava » Slovakia | | |
| Orechové | 911 05 | Postcode Orechove » Trencin » Slovakia | | |
| Orechový rad | 821 05 | Postcode Orechovy rad (street) » Bratislava » Slovakia | | |
| Orechový rad | 945 01 | Postcode Orechovy rad (street) » Komarno » Slovakia | | |
| Oremburská | 974 04 | Postcode Oremburska (street) » Banska Bystrica » Slovakia | | |
| Orenburská | 821 06 | Postcode Orenburska (street) » Bratislava » Slovakia | | |
| Oreské | 072 23 | Postcode Oreske » Michalovce » Slovakia | | |
| Oreské | 908 63 | Postcode Oreske » Skalica » Slovakia | | |
| Orešany | 956 06 | Postcode Oresany » Topolcany » Slovakia | | |
| Orešianska | 917 01 | Postcode Oresianska (street) » Trnava » Slovakia | | |
| Orešie | 902 03 | Postcode Oresie (street) » Pezinok » Slovakia | | |
