| Slavianska | 953 01 | Postcode Slavianska (street) » Zlate Moravce » Slovakia |  |
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| Slavkovce | 072 17 | Postcode Slavkovce » Michalovce » Slovakia | | |
| Slavkovská | 040 01 | Postcode Slavkovska (street) » Kosice » Slovakia | | |
| Slavnica | 018 54 | Postcode Slavnica » Ilava » Slovakia | | |
| Slavomírova | 010 01 | Postcode Slavomirova (street) » Zilina » Slovakia | | |
| Slavoška | 049 34 | Postcode Slavoska » Roznava » Slovakia | | |
| Slavošovce | 049 36 | Postcode Slavosovce » Roznava » Slovakia | | |
| Slavín | 811 06 | Postcode Slavin (street) » Bratislava » Slovakia | | |
| Slepá | 811 01 | Postcode Slepa (street) » Bratislava » Slovakia | | |
| Slepá | 984 01 | Postcode Slepa (street) » Lucenec » Slovakia | | |
| Slepčany | 951 52 | Postcode Slepcany » Zlate Moravce » Slovakia | | |
| Sliač | 962 31 | Postcode Sliac » Zvolen » Slovakia | | |
| Sliač - kúpele | 962 31 | Postcode Sliac - kupele » Zvolen » Slovakia | | |
| Sliačska | 831 02 | Postcode Sliacska (street) » Bratislava » Slovakia | | |
| Sliačska | 040 11 | Postcode Sliacska (street) » Kosice » Slovakia | | |
| Sliačska Podpoľana | 962 25 | Postcode Sliacska Podpolana » Detva » Slovakia | | |
| Sliepkovce | 072 37 | Postcode Sliepkovce » Michalovce » Slovakia | | |
| Sliezska | 831 03 | Postcode Sliezska (street) » Bratislava » Slovakia | | |
| Slivková | 821 05 | Postcode Slivkova (street) » Bratislava » Slovakia | | |
| Slivník | 076 12 | Postcode Slivnik » Trebisov » Slovakia | | |
| Slivník | 040 01 | Postcode Slivnik (street) » Kosice » Slovakia | | |
| Slizké | 980 23 | Postcode Slizke » Rimavska Sobota » Slovakia | | |
| Slnečnicová | 821 07 | Postcode Slnecnicova (street) » Bratislava » Slovakia | | |
| Slnečnicová | 945 04 | Postcode Slnecnicova (street) » Komarno » Slovakia | | |
| Slnečná | 974 04 | Postcode Slnecna (street) » Banska Bystrica » Slovakia | | |
