| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cannanpalaiyam | city | Tamil Nadu | India | 13.10 | 79.97 | 134 | 112047 |
| Cap Comorin | city | Tamil Nadu | India | 8.08 | 77.55 | 3 | 71573 |
| Cape Comorin | city | Tamil Nadu | India | 8.08 | 77.55 | 3 | 71573 |
| Chaeur | city | Tamil Nadu | India | 12.35 | 80.00 | 72 | 41549 |
| Chaliapillaiyarkuppam | city | Tamil Nadu | India | 13.29 | 80.16 | 52 | 57084 |
| Champadipālaiyam | city | Tamil Nadu | India | 13.31 | 80.34 | 22 | 16530 |
| Chandrapuram | city | Tamil Nadu | India | 13.34 | 80.04 | 95 | 43176 |
| Changachudu | city | Tamil Nadu | India | 13.48 | 80.14 | 42 | 33564 |
| Chattram | city | Tamil Nadu | India | 13.27 | 80.16 | 59 | 59147 |
| Chattrappatti | city | Tamil Nadu | India | 10.47 | 77.65 | 1253 | 28364 |
| Chelavaram | city | Tamil Nadu | India | 13.24 | 80.16 | 55 | 64806 |
| Chengalammakandigai | city | Tamil Nadu | India | 13.27 | 80.07 | 82 | 38131 |
| Chengalpat | city | Tamil Nadu | India | 12.69 | 79.98 | 164 | 73986 |
| Chengalpattu | city | Tamil Nadu | India | 12.69 | 79.98 | 164 | 73986 |
| Chengam | city | Tamil Nadu | India | 12.31 | 78.79 | 895 | 38233 |
| Chennai | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Chennai - சென்னை | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Chennapatnam | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Chennapuri | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Chennimalai | city | Tamil Nadu | India | 11.16 | 77.60 | 1161 | 42482 |
| Chepauk | city | Tamil Nadu | India | 13.06 | 80.28 | 45 | 1834533 |
| Cherambadi | city | Tamil Nadu | India | 11.52 | 76.27 | 3349 | 24546 |
| Cheranmahadevi | city | Tamil Nadu | India | 8.69 | 77.57 | 206 | 23427 |
| Cherian Nagar North | city | Tamil Nadu | India | 13.14 | 80.30 | 0 | 779137 |
| Cherian Nagar South | city | Tamil Nadu | India | 13.14 | 80.30 | 0 | 912399 |
| Chetpat | city | Tamil Nadu | India | 13.07 | 80.24 | 49 | 2957984 |
| Chetpet | city | Tamil Nadu | India | 13.07 | 80.24 | 49 | 2957984 |
| Chetput | city | Tamil Nadu | India | 12.46 | 79.35 | 830 | 47535 |
| Chetput | city | Tamil Nadu | India | 13.07 | 80.24 | 49 | 2957984 |
| Chettikulam | city | Tamil Nadu | India | 8.16 | 77.62 | 9 | 22798 |
| Chettipalaiyam | city | Tamil Nadu | India | 10.91 | 77.04 | 1105 | 50242 |
| Chettipalayam | city | Tamil Nadu | India | 10.91 | 77.04 | 1105 | 50242 |
| Chettipattu Ramayankuppam | city | Tamil Nadu | India | 12.70 | 80.14 | 55 | 29838 |
| Chettippattu | city | Tamil Nadu | India | 13.02 | 80.02 | 78 | 46148 |
| Cheyur | city | Tamil Nadu | India | 12.35 | 80.00 | 72 | 41549 |
| Cheyyar | city | Tamil Nadu | India | 12.66 | 79.54 | 321 | 51566 |
| Cheyyūr | city | Tamil Nadu | India | 12.35 | 80.00 | 72 | 41549 |
| Chidambaram | city | Tamil Nadu | India | 11.40 | 79.69 | 13 | 72383 |
| Chimithalli | city | Tamil Nadu | India | 11.69 | 76.90 | 2926 | 18025 |
| Chingilimedu | city | Tamil Nadu | India | 13.31 | 80.20 | 39 | 56870 |
| Chingleput | city | Tamil Nadu | India | 12.69 | 79.98 | 164 | 73986 |
| Chinmaya Nagar | city | Tamil Nadu | India | 13.05 | 80.19 | 62 | 2021689 |
| Chinna Dharapuram | city | Tamil Nadu | India | 10.85 | 77.85 | 830 | 24647 |
| Chinna Salem | city | Tamil Nadu | India | 11.63 | 78.87 | 830 | 57798 |
| Chinnakavanam | city | Tamil Nadu | India | 13.35 | 80.20 | 29 | 44798 |
| Chinnakudal | city | Tamil Nadu | India | 13.07 | 80.22 | 45 | 2739593 |
| Chinnakuruviyagaram | city | Tamil Nadu | India | 13.43 | 80.18 | 26 | 26462 |
| Chinnakāttuppākkam | city | Tamil Nadu | India | 12.53 | 80.08 | 45 | 33088 |
| Chinnamanopuram | city | Tamil Nadu | India | 13.34 | 80.24 | 29 | 34509 |
| Chinnamanur | city | Tamil Nadu | India | 9.84 | 77.38 | 1223 | 40165 |
| Chinnambedu | city | Tamil Nadu | India | 13.32 | 80.12 | 62 | 44283 |
| Chinnammanur | city | Tamil Nadu | India | 9.84 | 77.38 | 1223 | 40165 |
| Chinnanattam | city | Tamil Nadu | India | 13.46 | 80.14 | 42 | 39061 |
| Chinnaobalapuram | city | Tamil Nadu | India | 13.45 | 80.11 | 49 | 44717 |
| Chinnapuliyur | city | Tamil Nadu | India | 13.38 | 80.05 | 114 | 45147 |
| Chinnasalem | city | Tamil Nadu | India | 11.63 | 78.87 | 830 | 57798 |
| Chinnasekkadu | city | Tamil Nadu | India | 13.16 | 80.26 | 26 | 647119 |
| Chinnasoliyambākkam | city | Tamil Nadu | India | 13.41 | 80.15 | 29 | 36266 |
| Chinnathangal | city | Tamil Nadu | India | 13.28 | 80.01 | 127 | 38174 |
| Chinnavengādu | city | Tamil Nadu | India | 12.74 | 80.18 | 55 | 36127 |
| Chinnaveppattur | city | Tamil Nadu | India | 13.45 | 80.24 | 22 | 130 |
| Chintadripet | city | Tamil Nadu | India | 13.07 | 80.27 | 26 | 2193875 |
| Chintalakuppam | city | Tamil Nadu | India | 13.41 | 80.10 | 85 | 45147 |
| Chitdambaram | city | Tamil Nadu | India | 11.40 | 79.69 | 13 | 72383 |
| Chittambalam | city | Tamil Nadu | India | 10.96 | 77.29 | 1072 | 37303 |
| Chittrambakkam | city | Tamil Nadu | India | 12.53 | 80.11 | 32 | 48744 |
| Chittāmūr | city | Tamil Nadu | India | 12.42 | 79.90 | 200 | 41720 |
| Cholapuram | city | Tamil Nadu | India | 9.35 | 77.57 | 396 | 40662 |
| Cholavandan | city | Tamil Nadu | India | 10.02 | 77.95 | 406 | 72976 |
| Cholavaram | city | Tamil Nadu | India | 13.24 | 80.16 | 55 | 64806 |
| Choolai | city | Tamil Nadu | India | 13.09 | 80.27 | 29 | 2234639 |
| Choolai Medu | city | Tamil Nadu | India | 13.06 | 80.23 | 59 | 2903835 |
| Chromepet | city | Tamil Nadu | India | 12.95 | 80.14 | 91 | 57147 |
| Chrompet | city | Tamil Nadu | India | 12.95 | 80.14 | 91 | 57147 |
| Chunampet | city | Tamil Nadu | India | 12.26 | 79.90 | 42 | 45132 |
| Chunampettai | city | Tamil Nadu | India | 12.26 | 79.90 | 42 | 45132 |
| Cikal | city | Tamil Nadu | India | 11.24 | 79.74 | 13 | 89279 |
| Coilnapatam | city | Tamil Nadu | India | 8.56 | 78.12 | 16 | 52685 |
| Coimbatore | city | Tamil Nadu | India | 11.01 | 76.97 | 1249 | 49529 |
| Comorin | city | Tamil Nadu | India | 8.08 | 77.55 | 3 | 71573 |
| Conjeeveram | city | Tamil Nadu | India | 12.83 | 79.71 | 265 | 140211 |
| Conjevaram | city | Tamil Nadu | India | 12.83 | 79.71 | 265 | 140211 |
| Conjeveram | city | Tamil Nadu | India | 12.83 | 79.71 | 265 | 140211 |
| Coonoor | city | Tamil Nadu | India | 11.35 | 76.80 | 5446 | 80770 |
| Courtalam | city | Tamil Nadu | India | 8.93 | 77.27 | 830 | 82242 |
| Courtallam | city | Tamil Nadu | India | 8.93 | 77.27 | 830 | 82242 |
| Covelong | city | Tamil Nadu | India | 12.79 | 80.25 | 0 | 42913 |
| Csennai | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Cuddalore | city | Tamil Nadu | India | 11.75 | 79.76 | 3 | 84178 |
| Cuvaimalai | city | Tamil Nadu | India | 10.96 | 79.33 | 85 | 132109 |