World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Kapsalion (Kythira) | GRKAP | Greece |
| Karabiga | TRKRB | Türkiye |
| Karacabey | TRKBY | Türkiye |
| Karachi | PKKHI | Pakistan |
| Karachi Container Terminal | PKKCT | Pakistan |
| Karaikal | INKRK | India |
| Karakizaki | JPKRK | Japan |
| Karaköy/Istambul | TRKKY | Türkiye |
| Karakuma | JPKKA | Japan |
| Karanja | INKRN | India |