World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Klazienaveen | NLKLZ | Netherlands |
| Klein Point | AUKLP | Australia |
| Klein Veerle | BEKVE | Belgium |
| Klek | HRKLK | Croatia |
| Klemtu | CAYKT | Canada |
| Kleppen | DKKLP | Denmark |
| Kleppestø | NOKLE | Norway |
| Kletsk | BYKLK | Belarus |
| Klima | GRKLI | Greece |
| Klimno | HRKMN | Croatia |