| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Kostiainen | city | Varsinais-Suomi | Finland | 60.88 | 21.68 | 65 | 1041 |
| Kostianets | city | Rivnens'ka Oblast' | Ukraine | 50.43 | 25.95 | 830 | 3118 |
| Kostiantivka | city | Kharkivs'ka Oblast' | Ukraine | 49.78 | 36.26 | 830 | 6570 |
| Kostiantyniv | city | Sums'ka Oblast' | Ukraine | 50.85 | 33.80 | 830 | 2831 |
| Kostiantynivka | city | Rivnens'ka Oblast' | Ukraine | 51.29 | 26.54 | 830 | 3576 |
| Kostiantynivka | city | Sums'ka Oblast' | Ukraine | 51.17 | 34.77 | 830 | 1274 |
| Kostiantynivka | city | Kharkivs'ka Oblast' | Ukraine | 49.95 | 35.11 | 830 | 2980 |
| Kostiantynivka | city | Luhans'ka Oblast' | Ukraine | 49.74 | 38.96 | 229 | 1934 |
| Kostiantynivka | city | Kharkivs'ka Oblast' | Ukraine | 49.10 | 35.68 | 830 | 1938 |
| Kostiantynivka | city | Kirovohrads'ka Oblast' | Ukraine | 48.82 | 33.08 | 830 | 24 |
| Kostiantynivka | city | Donets'ka Oblast' | Ukraine | 48.53 | 37.71 | 252 | 89868 |
| Kostiantynivka | city | Donets'ka Oblast' | Ukraine | 47.87 | 37.41 | 830 | 4619 |
| Kostiantynivka | city | Khersons'ka Oblast' | Ukraine | 47.15 | 34.12 | 236 | 2086 |
| Kostiantynivka | city | Khersons'ka Oblast' | Ukraine | 46.83 | 33.87 | 200 | 1937 |
| Kostiantynivka | city | Zaporiz'ka Oblast' | Ukraine | 46.82 | 35.42 | 98 | 66165 |
| Kostiantynivka | city | Odes'ka Oblast' | Ukraine | 46.05 | 29.93 | 3 | 2976 |
| Kostiantynivka | city | Avtonomna Respublika Krym | Ukraine | 44.86 | 34.12 | 1669 | 13969 |
| Kostiantynivka | city | Chernihivs'ka Oblast' | Ukraine | 51.96 | 32.24 | 830 | 1983 |
| Kostiantynivka | city | Zhytomyrs'ka Oblast' | Ukraine | 50.31 | 28.10 | 830 | 3039 |
| Kostiantynivka | city | Zaporiz'ka Oblast' | Ukraine | 47.56 | 36.29 | 830 | 2950 |
| Kostiantynivka | city | Dnipropetrovs'ka Oblast' | Ukraine | 48.21 | 34.48 | 308 | 1858 |
| Kostiantynivka | city | Kirovohrads'ka Oblast' | Ukraine | 48.67 | 32.53 | 830 | 10720 |
| Kostiantynopil | city | Donets'ka Oblast' | Ukraine | 48.00 | 37.04 | 321 | 2466 |
| Kostiantînivka | city | Donets'ka Oblast' | Ukraine | 48.53 | 37.71 | 252 | 89868 |
| Kostiany | city | Sums'ka Oblast' | Ukraine | 50.61 | 34.06 | 830 | 2086 |
| Kostianó | city | Kriti | Greece | 35.03 | 25.38 | 1669 | 2369 |