| Kavečianska cesta | 040 01 | Postcode Kavecianska cesta (street) » Kosice » Slovakia |  |
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| Kazanská | 821 06 | Postcode Kazanska (street) » Bratislava » Slovakia | | |
| Kazanská | 821 07 | Postcode Kazanska (street) » Bratislava » Slovakia | | |
| Kazimír | 076 13 | Postcode Kazimir » Trebisov » Slovakia | | |
| Kačanov | 072 05 | Postcode Kacanov » Michalovce » Slovakia | | |
| Kače | 065 22 | Postcode Kace » Stara Lubovna » Slovakia | | |
| Kaľamenová | 038 22 | Postcode Kalamenova » Turcianske Teplice » Slovakia | | |
| Kaľava | 053 42 | Postcode Kalava » Spisska Nova Ves » Slovakia | | |
| Kašmírska | 821 04 | Postcode Kasmirska (street) » Bratislava » Slovakia | | |
| Kašov | 076 02 | Postcode Kasov » Trebisov » Slovakia | | |
| Kašova Lehôtka | 962 34 | Postcode Kasova Lehotka » Zvolen » Slovakia | | |
| Kaštielna | 040 15 | Postcode Kastielna (street) » Kosice » Slovakia | | |
| Kaštielska | 821 05 | Postcode Kastielska (street) » Bratislava » Slovakia | | |
| Keblov - Zárieč | 013 32 | Postcode Keblov - Zariec » Zilina » Slovakia | | |
| Kecerovce | 044 47 | Postcode Kecerovce » Kosice-okolie » Slovakia | | |
| Kecerovské Kostoľany | 044 47 | Postcode Kecerovske Kostolany » Kosice-okolie » Slovakia | | |
| Kecerovské Pekľany | 044 47 | Postcode Kecerovske Peklany » Kosice-okolie » Slovakia | | |
| Kecerovský Lipovec | 044 47 | Postcode Kecerovsky Lipovec » Kosice-okolie » Slovakia | | |
| Kechnec | 044 58 | Postcode Kechnec » Kosice-okolie » Slovakia | | |
| Keltská | 851 10 | Postcode Keltska (street) » Bratislava » Slovakia | | |
| Kemi | 031 04 | Postcode Kemi (street) » Liptovsky Mikulas » Slovakia | | |
| Kempelenova | 841 04 | Postcode Kempelenova (street) » Bratislava » Slovakia | | |
| Kempelenova | 010 15 | Postcode Kempelenova (street) » Zilina » Slovakia | | |
| Kendereš | 941 10 | Postcode Kenderes » Nove Zamky » Slovakia | | |
| Kendice | 082 01 | Postcode Kendice » Presov » Slovakia | | |
