| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Calk (historical) | city | Kentucky | United States | 38.03 | -83.96 | 1000 | |
| Calka | city | Georgia | 41.59 | 44.09 | 5190 | 10093 | |
| Calkandil | city | Balikesir | Turkey | 39.74 | 28.49 | 3349 | 3719 |
| Calkanyenikoy | city | Agri | Turkey | 39.58 | 43.82 | 5869 | 2980 |
| Calkar | city | Nordrhein-Westfalen | Germany | 51.74 | 6.29 | 49 | 13535 |
| Calkara | city | Tokat | Turkey | 40.74 | 36.43 | 859 | 4639 |
| Calkara | city | Bolu | Turkey | 40.35 | 31.74 | 3746 | 2397 |
| Calkaya | city | Sivas | Turkey | 40.09 | 38.61 | 5869 | 2956 |
| Calkaya | city | Kilis | Turkey | 36.80 | 36.84 | 2509 | 4885 |
| Calkaya | city | Elazig Ili | Turkey | 39.09 | 40.05 | 5049 | 2390 |
| Calke | city | Leicestershire | United Kingdom | 52.78 | -1.45 | 400 | 26404 |
| Calkearic | city | New South Wales | Australia | -31.15 | 144.43 | 830 | 0 |
| Calkebir | city | Denizli | Turkey | 37.94 | 29.55 | 3349 | 4470 |
| Calkhi | city | Herat | Afghanistan | 35.17 | 61.49 | 2890 | 894 |
| Calkini | city | Campeche | Mexico | 20.37 | -90.05 | 52 | 12218 |
| Calkins | city | Oregon | United States | 43.22 | -123.41 | 400 | |
| Calkins | city | Pennsylvania | United States | 41.66 | -75.16 | 1669 | |
| Calkins (historical) | city | California | United States | 40.66 | -122.19 | 830 | |
| Calkins (historical) | city | Montana | United States | 46.44 | -110.92 | 5091 | |
| Calkiran | city | Tunceli | Turkey | 39.11 | 39.46 | 5029 | 6336 |
| Calkisla | city | Corum | Turkey | 40.39 | 35.01 | 2844 | 2533 |
| Calkisla | city | Erzincan | Turkey | 39.77 | 40.44 | 5137 | 1639 |
| Calkosedag Koy | city | Agri | Turkey | 39.88 | 42.59 | 7591 | 2980 |
| Calkovici Gornji | city | Federacija Bosne i Hercegovine | Bosnia & Herzegovina | 44.52 | 18.76 | 1246 | 21140 |
| Calkoy | city | Corum | Turkey | 41.30 | 34.48 | 4609 | 2392 |
| Calkoy | city | Canakkale | Turkey | 39.98 | 27.16 | 1669 | 5570 |
| Calkoy | city | Karabuk | Turkey | 41.35 | 32.94 | 3349 | 3187 |
| Calkoy | city | Samsun | Turkey | 41.15 | 35.50 | 1092 | 32436 |
| Calkoy | city | Kocaeli | Turkey | 41.11 | 30.10 | 196 | 9283 |
| Calkoy | city | Bolu | Turkey | 40.71 | 32.02 | 4189 | 2831 |
| Calkoy | city | Kutahya | Turkey | 38.93 | 30.07 | 3622 | 3129 |
| Calkoy | city | Samsun | Turkey | 41.45 | 35.95 | 830 | 5960 |
| Calkoyu | city | Canakkale | Turkey | 39.98 | 27.16 | 1669 | 5570 |