| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Caballito | city | Buenos Aires | Argentina | -34.62 | -58.44 | 68 | 1519267 |
| Cafferata | city | Buenos Aires | Argentina | -34.63 | -58.43 | 68 | 1520489 |
| Calaza | city | Buenos Aires | Argentina | -34.67 | -58.48 | 42 | 1216757 |
| Centro | city | Buenos Aires | Argentina | -34.60 | -58.38 | 55 | 723286 |
| Chacarita | city | Buenos Aires | Argentina | -34.58 | -58.45 | 49 | 1126120 |
| Ciudad Autónoma de Buenos Aires | city | Buenos Aires | Argentina | -34.61 | -58.44 | 88 | 1404477 |
| Ciudad Celina | city | Buenos Aires | Argentina | -34.72 | -58.49 | 16 | 659409 |
| Ciudad de Buenos Aires | city | Buenos Aires | Argentina | -34.61 | -58.44 | 88 | 1404477 |
| Ciudad de La Santísima Trinidad y Puerto de Santa María del Buen Ayre | city | Buenos Aires | Argentina | -34.61 | -58.44 | 88 | 1404477 |
| Coghlan | city | Buenos Aires | Argentina | -34.57 | -58.47 | 82 | 1130306 |
| Colegiales | city | Buenos Aires | Argentina | -34.58 | -58.45 | 49 | 1126120 |
| Colelache | city | Buenos Aires | Argentina | -42.58 | -69.10 | 4189 | 0 |
| Colhue Huapi | city | Buenos Aires | Argentina | -45.72 | -68.93 | 882 | 0 |
| Colonia Dolavon | city | Buenos Aires | Argentina | -43.30 | -65.70 | 45 | 3020 |
| Comandante L. Piedrabuena | city | Buenos Aires | Argentina | -34.68 | -58.50 | 59 | 1034266 |
| Congreso | city | Buenos Aires | Argentina | -34.62 | -58.40 | 88 | 1168061 |
| Constitucion | city | Buenos Aires | Argentina | -34.62 | -58.38 | 68 | 954787 |