| Abbreviation | Definition |
|---|---|
| JNU | Juneau, Alaska USA |
| JNX | Naxos Cyclades Island, Greece |
| JNZ | Jinzhou, Mainland China |
| JOC | Centerport Heliport, Santa Ana, California USA |
| JOE | Joensuu, Finland |
| JOG | Yogyakarta, Indonesia |
| JOH | Port Saint Johns, South Africa |
| JOI | Joinville, SC, Brazil |
| JOK | Joshkar-Ola, Russia |
| JOL | Jolo, Philippines |
| JOM | Kilimanjaro, Njombe, Tanzania |
| JON | Johnston Island, Johnston Island |
| JOP | Josephstaal, Papua New Guinea |
| JOR | Disneyland/ Orange, California USA |
| JOS | Jos, Nigeria |
| JOT | Joliet, Illinois USA |
| JPA | Joao Pessao, PB, Brazil |
| JPD | Pasadena, California USA |
| JPJ | Paterson, New Jersey USA |
| JPR | Ji- Parana, RO, Brazil |