| Obrancov mieru | 902 01 | Postcode Obrancov mieru (street) » Pezinok » Slovakia |  |
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| Obrancov mieru | 080 01 | Postcode Obrancov mieru (street) » Presov » Slovakia | | |
| Obrancov mieru | 052 01 | Postcode Obrancov mieru (street) » Spisska Nova Ves » Slovakia | | |
| Obrancov mieru | 953 01 | Postcode Obrancov mieru (street) » Zlate Moravce » Slovakia | | |
| Obrancov mieru | 960 01 | Postcode Obrancov mieru (street) » Zvolen » Slovakia | | |
| Obrody | 040 11 | Postcode Obrody (street) » Kosice » Slovakia | | |
| Obručná | 985 58 | Postcode Obrucna » Lucenec » Slovakia | | |
| Obručné | 065 42 | Postcode Obrucne » Stara Lubovna » Slovakia | | |
| Obráncov mieru | 955 01 | Postcode Obrancov mieru (street) » Topolcany » Slovakia | | |
| Obsolovce | 956 08 | Postcode Obsolovce » Topolcany » Slovakia | | |
| Obuvnícka | 958 01 | Postcode Obuvnicka (street) » Partizanske » Slovakia | | |
| Obvodová | 010 07 | Postcode Obvodova (street) » Zilina » Slovakia | | |
| Obvodová cesta | 034 01 | Postcode Obvodova cesta (street) » Ruzomberok » Slovakia | | |
| Obyce | 951 95 | Postcode Obyce » Zlate Moravce » Slovakia | | |
| Oceliarska | 010 01 | Postcode Oceliarska (street) » Zilina » Slovakia | | |
| Ochodnica | 023 35 | Postcode Ochodnica » Kysucke Nove Mesto » Slovakia | | |
| Ochtiná | 049 35 | Postcode Ochtina » Roznava » Slovakia | | |
| Odbojárov | 974 11 | Postcode Odbojarov (street) » Banska Bystrica » Slovakia | | |
| Odbojárov | 831 04 | Postcode Odbojarov (street) » Bratislava » Slovakia | | |
| Odbojárov | 955 01 | Postcode Odbojarov (street) » Topolcany » Slovakia | | |
| Odbojárov | 911 01 | Postcode Odbojarov (street) » Trencin » Slovakia | | |
| Odbojárov | 953 01 | Postcode Odbojarov (street) » Zlate Moravce » Slovakia | | |
| Odbojárska | 031 01 | Postcode Odbojarska (street) » Liptovsky Mikulas » Slovakia | | |
| Odbojárska | 917 02 | Postcode Odbojarska (street) » Trnava » Slovakia | | |
| Odborov | 017 01 | Postcode Odborov (street) » Povazska Bystrica » Slovakia | | |
