| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Karlsruhe | city | North Dakota | United States | 48.09 | -100.62 | 1597 | 140 |
| Karnak | city | North Dakota | United States | 47.28083 | -98.06389 | 1417 | 110 |
| Kathryn | city | North Dakota | United States | 46.67806 | -97.96833 | 1197 | 143 |
| Keene | city | North Dakota | United States | 47.92694 | -102.94111 | 2398 | 47 |
| Keith | city | North Dakota | United States | 48.09333 | -98.75222 | 1456 | 1243 |
| Kellogg | city | North Dakota | United States | 48.36306 | -97.42694 | 836 | 1256 |
| Kelly | city | North Dakota | United States | 47.98 | -97.245 | 836 | 425 |
| Kelso | city | North Dakota | United States | 47.32306 | -97.02917 | 885 | 145 |
| Kelvin | city | North Dakota | United States | 48.93722 | -100.05056 | 2175 | 692 |
| Kempton | city | North Dakota | United States | 47.81889 | -97.61389 | 1118 | 309 |
| Kenaston | city | North Dakota | United States | 48.61861 | -102.11222 | 2040 | 189 |
| Kenmare | city | North Dakota | United States | 48.67472 | -102.08222 | 1837 | 185 |
| Kensal | city | North Dakota | United States | 47.30083 | -98.73306 | 1555 | 113 |
| Kermit | city | North Dakota | United States | 48.90333 | -103.04583 | 1948 | 253 |
| Kerry | city | North Dakota | United States | 48.45639 | -97.80389 | 1108 | 759 |
| Keystone historical | city | North Dakota | United States | 46.18139 | -98.55 | 1489 | 75 |
| Kibby historical | city | North Dakota | United States | 46.73583 | -97.68333 | 1187 | 149 |
| Kief | city | North Dakota | United States | 47.8575 | -100.51111 | 1624 | 112 |
| Killdeer | city | North Dakota | United States | 47.37194 | -102.75361 | 2299 | 74 |
| Kincaid | city | North Dakota | United States | 48.88722 | -102.78639 | 1938 | 103 |
| Kindred | city | North Dakota | United States | 46.64861 | -97.01667 | 948 | 368 |
| Kintyre | city | North Dakota | United States | 46.54972 | -99.94917 | 1906 | 78 |
| Kloten | city | North Dakota | United States | 47.71611 | -98.075 | 1519 | 165 |
| Kloze | city | North Dakota | United States | 46.80056 | -98.73944 | 1499 | 131 |
| Knox | city | North Dakota | United States | 48.34028 | -99.69 | 1597 | 118 |
| Koldok | city | North Dakota | United States | 46.92861 | -97.72333 | 1190 | 136 |
| Kongsberg | city | North Dakota | United States | 47.85139 | -100.80083 | 1958 | 154 |
| Kramer | city | North Dakota | United States | 48.69056 | -100.70639 | 1450 | 117 |
| Kulm | city | North Dakota | United States | 46.30111 | -98.95417 | 1988 | 119 |
| Kuroki | city | North Dakota | United States | 48.93111 | -101.14611 | 1499 | 84 |
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