| C | ||
| Cabo San Lucas, 'Los Cabos', Mexico (SJD) | Cedun, Australia (CED) | Cobar, Australia (CAZ) |
| Caen, France (CFR) | Ceuta, Spain and Canary Islands (JCU) | Cobija, Bolivia (CIJ) |
| Cagayan De Oro, Philippines - Lumbia (CGY) | Chah-Bahar, Iran (ZBR) | Cochabamba, Bolivia (CBB) |
| Cagliari, Italy (CAG) | Chambery, France (CMF) | Cochin, India (COK) |
| Cairns, Australia (CNS) | Chandigarh, India (IXC) | Coconut Island, Australia (CNC) |
| Cairo, Egypt (CAI) | Changchun, China (CGQ) | Cocos Islands, Cocos (Keeling) Islands (CCK) |
| Cajamarca, Peru (CJA) | Changde, China (CGD) | Coen, Australia (CUQ) |
| Calabar, Nigeria (CBQ) | Changuinda, Panama (CHX) | Coffs Harbor, Australia (CFS) |
| Calama, Chile (CJC) | Changzhou, China (CZX) | Coimbatore, India (CJB) |
| Calcutta, India (CCU) | Chania, Greece (CHQ) | Colima, Mexico (CLQ) |
| Cali, Colombia (CLO) | Chaoyang, China (CHG) | Cologne, Germany - Rail service (QKL) |
| Calvi, France (CLY) | Chapeco, Brazil (XAP) | Cologne, Germany - Cologne/Bonn (CGN) |
| Camaguey, Cuba (CMW) | Charleville, Australia (CTL) | Colombo, Sri Lanka (CMB) |
| Cambridge, United Kingdom (CBG) | Chatham Island, New Zealand (CHT) | Colon, Panama (ONX) |
| Camodoro, Argentina (CRD) | Cheboksary, Russia (CSY) | Conakry, Guinea (CKY) |
| Campbeltown, United Kingdom (CAL) | Chelybinsk, Russia (CEK) | Concepcion, Chile (CCP) |
| Campeche, Mexico (CPE) | Chennai, India (MAA) | Concordia, Argentina (COC) |
| Campina Grande, Brazil (CPV) | Cheongju, South Korea (CJJ) | Condoto, Colombia (COG) |
| Campinas, Brazil (CPQ) | Cherepovets, Russia (CEE) | Constanta, Romania (CND) |
| Campo Grande, Brazil (CGR) | Chergdu, China (CTU) | Constantine, Algeria (CZL) |
| Campos, Brazil (CAW) | Chester, United Kingdom (CEG) | Contadora, Panama (OTD) |
| Canaima, Venezuela (CAS) | Chetumal, Mexico (CTM) | Coober Pedy, Australia (CPD) |
| Canberra, Australia (CBR) | Chevepovets, Russia (CEE) | Cooktown, Australia (CTN) |
| Cancun, Mexico (CUN) | Chi Mei, Taiwan (CMJ) | Cooma, NS, Australia (OOM) |
| Cannes, France - Mandelieu (CEQ) | Chiang Mai, Thailand (CNX) | Coonamble, Australia (CNB) |
| Cannes, France - Coisette Heliport (JCA) | Chiang Rai, Thailand (CEI) | Copenhagen, Denmark (CPH) |
| Cannes, France - Vieux Port (QYW) | Chiayi, Taiwan (CYI) | Copiapo, Chile (CPO) |
| Canouan, Saint Vincent and the Grenadines (CIW) | Chicayo, Peru (CIX) | Cordoba, Argentina (COR) |
| Cap Haitien, Haiti (CAP) | Chifeng, China (CIF) | Cork, Ireland (ORK) |
| Cape Orford, Papua New Guinea (CPI) | Chihuahua, Mexico (CUU) | Coro, Venezuela (CZE) |
| Cape Town, South Africa (CPT) | Chillan, Chile (YAI) | Corozal, Belize (CZH) |
| Cape Vogel, Papua New Guinea (CVL) | Chipata, Zambia (CIP) | Corrientes, Argentina (CNQ) |
| Caracas, Venezuela (CCS) | Chisinau, Republic of Moldova (KIV) | Corumba, Brazil (CMG) |
| Carajas, Brazil (CKS) | Chita, Russia (HTA) | Corvo Island, Portugal (CVU) |
| Carcassonne, France (CCF) | Chitral, Pakistan (CJL) | Cotabato, Philippines (CBO) |
| Cardiff, United Kingdom (CWL) | Chitre, Panama (CTD) | Cotarou, Benin (COC) |
| Carnarvon, Australia (CVQ) | Chittagong, Bangladesh (CGP) | Cox's Bazar, Bangladesh (CXB) |
| Carrillo, Costa Rica (RIK) | Choiseul Bay, Solomon Islands (CHY) | Cozumel, Mexico (CZM) |
| Cartagena, Colombia (CTG) | Chongqing, China (CKG) | Craig Cove, Vanuatu (CCV) |
| Carupani, Venezuela (CUP) | Christchurch, New Zealand (CHC) | Criciuma, Brazil (CCM) |
| Casablanca, Morocco - Anfa (CAS) | Christmas Island, Christmas Island (XCH) | Croker Island, Australia (CKI) |
| Casablanca, Morocco - Mohamed V (CMN) | Cicia, Fiji (ICI) | Crooked Island, Bahamas (CRI) |
| Cascavel, Brazil (CAC) | Ciego De Avila, Cuba (AVI) | Crotone, Italy (CRV) |
| Casino, Australia (CSI) | Ciudad Bolivar, Venezuela (CBL) | Cruzeiro Do Sul, Brazil (CZS) |
| Castaway, Fiji (CST) | Ciudad Del Carmen, Mexico (CME) | Cucata, Colombia (CUC) |
| Castres, France (DCM) | Ciudad del Este, Paraguay (AGT) | Cuenca, Ecuador (CUE) |
| Catamarca, Argentina (CTC) | Ciudad Juarez, Mexico (CJS) | Cuernavaca, Mexico (CVJ) |
| Catania, Italy (CTA) | Ciudad Obregon, Mexico (CEN) | Cuiaba, Brazil (CGB) |
| Caucasia, Colombia (CAQ) | Ciudad Victoria, Mexico (CVM) | Culiacan, Mexico (CUL) |
| Caxias Do Sul, Brazil (CXJ) | Clermont-ferrand, France (CFE) | Cumana, Venezuela (CUM) |
| Cayenne, French Guiana (CAY) | Cleve, Australia (CVC) | Cunnamulla, Australia (CMA) |
| Cayman Brac Is, Cambodia (CYB) | Cloncurry, Australia (CNJ) | Curacao, Netherlands Antilles (CUR) |
| Cayo Largo Del Sur, Cuba (CYO) | Club Makokola, Malawi (CMK) | Curitiba, Brazil (CWB) |
| Cebu, Philippines - Matan International (CEB) | Cluj, Romania (CLJ) | Cuzco, Peru (CUZ) |