World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Kjøpmannskjær | NOKMS | Norway |
| Kjøpsvik | NOKJK | Norway |
| Kjørebonn | NOKJB | Norway |
| Klädesholmen | SEKLD | Sweden |
| Klagshamn | SEKGM | Sweden |
| Klaipeda | LTKLJ | Lithuania |
| Klaj | PLMA9 | Poland |
| Klaksvik | FOKVI | Faroe Islands |
| Klamila | FIKLA | Finland |
| Klavreström | SEKLA | Sweden |