World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Kailua | USKA7 | United States of America (the) |
| Kaimt | DEKMT | Germany |
| Kain | BEKAI | Belgium |
| Kainan | JPKAI | Japan |
| Kaipola | FIKPL | Finland |
| Kairuku | PGKRK | Papua New Guinea |
| Kaita | JPKAD | Japan |
| Kaizaki | JPKAZ | Japan |
| Kajiki | JPKJK | Japan |
| Kakap Marine Terminal | XZKMT | Installations in International Waters |