| Abbreviation | Definition |
|---|---|
| CAS | Casablanca, Morocco |
| CAU | Caruaru, PE, Brazil |
| CAW | Campos, Rio de Janeiro, Brazil |
| CAX | Carlisle, England, UK |
| CAY | Cayenne, French Guiana |
| CAZ | Cobar, New South Wales, Australia |
| CBB | Cochabamba, Bolivia |
| CBE | Cumberland, Maryland USA |
| CBG | Cambridge, England, UK |
| CBH | Bechar, Algeria |
| CBJ | Cabo Rojo, Dominican Republic |
| CBK | Colby, Kansas USA |
| CBL | Ciudad Bolivar, Venezuela |
| CBN | Cirebon, Indonesia |
| CBO | Cotabato, Philippines |
| CBP | Coimbra, Portugal |
| CBQ | Calabar, Nigeria |
| CBR | Canberra, Australian Capital Territory, Australia |
| CBV | Coban, Guatemala |
| CBY | Canobie, Queensland, Australia |