World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Karasu | TRKRS | Türkiye |
| Karatas | TRKRT | Türkiye |
| Karatomari | JPKTM | Japan |
| Karatsu | JPKAR | Japan |
| Karavostasi | CYKAR | Cyprus |
| Karbala | IQKAR | Iraq |
| Karben | DEKBN | Germany |
| Karcag | HUKAR | Hungary |
| Kardamaina Kos | GRKRM | Greece |
| Kardámyla | GRKDM | Greece |