World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Kakap Natuna Terminal | IDKNT | Indonesia |
| Kakapo | PGKPP | Papua New Guinea |
| Kakeroma | JPKER | Japan |
| Kakeshoek | NLKKO | Netherlands |
| Kakinada | INKAK | India |
| Kakogawa | JPKGA | Japan |
| Kakumäe | EEKAK | Estonia |
| Kalabahi | IDKBH | Indonesia |
| Kalajoki | FIKJO | Finland |
| Kalamaki | GRKLM | Greece |