| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cia Chanh | city | Lang Son | Vietnam | 21.67 | 106.62 | 830 | 9429 |
| Cia Tao | city | Son La | Vietnam | 21.12 | 104.85 | 1669 | 10606 |
| Ciao Liem | city | Bac Giang | Vietnam | 21.37 | 106.82 | 830 | 8858 |
| Ciao Tri | city | Binh Dinh | Vietnam | 14.48 | 109.00 | 85 | 36352 |
| Ciap | city | Dak Lak | Vietnam | 12.85 | 108.68 | 1053 | 2831 |
| Cidade Antiga de Hoi An | city | Quang Nam | Vietnam | 15.88 | 108.33 | 42 | 65638 |
| Cidade de Ho Chi Minh | city | Ho Chi Minh | Vietnam | 10.78 | 106.70 | 19 | 1618888 |
| Cil Liang | city | Lam Dong | Vietnam | 12.25 | 108.35 | 2509 | 1788 |
| Cil Nŭp | city | Lam Dong | Vietnam | 12.14 | 108.24 | 1850 | 4520 |
| Cirlao Da Kop | city | Lam Dong | Vietnam | 11.40 | 107.88 | 2814 | 12812 |
| Cirlao Da S'rang | city | Lam Dong | Vietnam | 11.42 | 107.87 | 2509 | 11976 |
| Cirlao Da S’răng | city | Lam Dong | Vietnam | 11.42 | 107.87 | 2509 | 11976 |
| City of Ba Ria | city | Ba Ria-Vung Tau | Vietnam | 10.50 | 107.17 | 52 | 53353 |
| City of Cam Ranh | city | Khanh Hoa | Vietnam | 11.93 | 109.16 | 65 | 29566 |
| City of Ha Noi | city | Ha Noi | Vietnam | 21.03 | 105.85 | 78 | 1087184 |
| City of Hue | city | Thua Thien-Hue | Vietnam | 16.46 | 107.60 | 26 | 271632 |
| Ciu Tu Fang | city | Lao Cai | Vietnam | 22.63 | 104.10 | 1125 | 9276 |
| Ciudad Ho Chi Minh | city | Ho Chi Minh | Vietnam | 10.78 | 106.70 | 19 | 1618888 |