| Abbreviation | Definition |
|---|---|
| MRLT | Las Trancas, Costa Rica |
| MRLU | La Marica, Costa Rica |
| MRLV | La Cueva, Costa Rica |
| MRLY | La Yolanda, Costa Rica |
| MRLZ | La Zopilota, Costa Rica |
| MRM | Manare, Papua New Guinea |
| MRMA | Monte Alto, Costa Rica |
| MRMC | Murcielago, Costa Rica |
| MRMC | Nicoya, Costa Rica |
| MRMJ | Mojica, Costa Rica |
| MRML | Montelimar, Costa Rica |
| MRMR | Marengo, Costa Rica |
| MRN | Morganton, North Carolina USA |
| MRNJ | Naranjo-Seveers, Costa Rica |
| MRNS | Nosara Beach, Costa Rica |
| MRO | Masterton, New Zealand |
| MROC | Juan Santamaria International Airport, San Jose, Costa Rica |
| MRP | Marla, South Australia, Australia |
| MRPA | Punta Burica, Costa Rica |
| MRPB | Playa Blanca, Costa Rica |