| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Kahler | city | District de Luxembourg | Luxembourg | 49.6313889 | 5.9177778 | 1056 | 14356 |
| Kalborn | city | District de Diekirch | Luxembourg | 50.1027778 | 6.1130556 | 1053 | 3631 |
| Kalkelz | city | District de Diekirch | Luxembourg | 49.7783333 | 5.895 | 974 | 5811 |
| Kap | city | District de Luxembourg | Luxembourg | 49.6444444 | 5.9844444 | 984 | 15402 |
| Kapellen | city | District de Luxembourg | Luxembourg | 49.645 | 5.9908333 | 984 | 15402 |
| Kapenacker | city | District de Grevenmacher | Luxembourg | 49.6344444 | 6.3558333 | 902 | 7759 |
| Kapendahl | city | | Luxembourg | 49.8666667 | 6.2333333 | 715 | 5899 |
| Kapweiler | city | District de Diekirch | Luxembourg | 49.7394444 | 5.9705556 | 1017 | 6510 |
| Kaundorf | city | District de Diekirch | Luxembourg | 49.9213889 | 5.9030556 | 1443 | 5245 |
| Kautenbach | city | District de Diekirch | Luxembourg | 49.9527778 | 6.02 | 1128 | 2812 |
| Kayl | city | District de Luxembourg | Luxembourg | 49.4891667 | 6.0397222 | 1043 | 51878 |
| Kehlen | city | District de Luxembourg | Luxembourg | 49.6683333 | 6.0358333 | 1115 | 14725 |
| Kehmen | city | District de Diekirch | Luxembourg | 49.9008333 | 6.0372222 | 1430 | 5108 |
| Keisbierg | city | District de Grevenmacher | Luxembourg | 49.6747222 | 6.3205556 | 905 | 7770 |
| Keispelt | city | District de Luxembourg | Luxembourg | 49.6944444 | 6.0694444 | 1190 | 24884 |
| Kiesberg | city | District de Grevenmacher | Luxembourg | 49.6747222 | 6.3205556 | 905 | 7770 |
| Kippenhof | city | District de Diekirch | Luxembourg | 49.9033333 | 6.135 | 1007 | 11374 |
| Kirchberg | city | District de Luxembourg | Luxembourg | 49.6238889 | 6.1494444 | 1069 | 80950 |
| Kleinbettingen | city | District de Luxembourg | Luxembourg | 49.6463889 | 5.9163889 | 1030 | 15673 |
| Kleinhoscheid | city | District de Diekirch | Luxembourg | 50.0194444 | 5.9680556 | 1312 | 3853 |
| Kleinmacher | city | District de Grevenmacher | Luxembourg | 49.5325 | 6.3552778 | 469 | 14373 |
| Klerf | city | District de Diekirch | Luxembourg | 50.0547222 | 6.0313889 | 1555 | 3612 |
| Knaepchen | city | District de Luxembourg | Luxembourg | 49.7419444 | 6.0186111 | 1040 | 8629 |
| Knaphoscheid | city | District de Diekirch | Luxembourg | 50.0133333 | 5.9647222 | 1312 | 3853 |
| Knepchen | city | District de Luxembourg | Luxembourg | 49.7419444 | 6.0186111 | 1040 | 8629 |
| Kneppchen | city | District de Luxembourg | Luxembourg | 49.7419444 | 6.0186111 | 1040 | 8629 |
| Kobenbour | city | District de Grevenmacher | Luxembourg | 49.7502778 | 6.3061111 | 1194 | 5391 |
| Kocherei | city | District de Diekirch | Luxembourg | 50.0694444 | 6.0705556 | 1505 | 3287 |
| Kocherey | city | District de Diekirch | Luxembourg | 50.0694444 | 6.0705556 | 1505 | 3287 |
| Kockelscheuer | city | District de Luxembourg | Luxembourg | 49.5611111 | 6.1122222 | 951 | 54866 |
| Koedange | city | District de Luxembourg | Luxembourg | 49.7283333 | 6.2102778 | 1023 | 8293 |
| Koeppenhaff | city | District de Diekirch | Luxembourg | 49.9033333 | 6.135 | 1007 | 11374 |
| Koerich | city | District de Luxembourg | Luxembourg | 49.67 | 5.95 | 1049 | 11181 |
| Koetschette | city | District de Diekirch | Luxembourg | 49.8380556 | 5.8402778 | 1679 | 3168 |
| Konsthum | city | District de Diekirch | Luxembourg | 49.9747222 | 6.0541667 | 1427 | 2652 |
| Kopstal | city | District de Luxembourg | Luxembourg | 49.6644444 | 6.0730556 | 1158 | 45484 |
| Korich | city | District de Luxembourg | Luxembourg | 49.67 | 5.95 | 1049 | 11181 |
| Krauthem | city | District de Luxembourg | Luxembourg | 49.5355556 | 6.1469444 | 918 | 25415 |
| Kreizerbuch | city | District de Luxembourg | Luxembourg | 49.7016667 | 5.9163889 | 1115 | 13614 |
| Kreutzerbuch | city | District de Luxembourg | Luxembourg | 49.7016667 | 5.9163889 | 1115 | 13614 |
| Kreuzerbuch | city | District de Luxembourg | Luxembourg | 49.7016667 | 5.9163889 | 1115 | 13614 |
| Kruchten | city | District de Luxembourg | Luxembourg | 49.7919444 | 6.1327778 | 941 | 11497 |
| Kuborn | city | District de Diekirch | Luxembourg | 49.8705556 | 5.9030556 | 1574 | 3342 |
| Kuentzig | city | District de Luxembourg | Luxembourg | 49.5966667 | 5.8758333 | 1148 | 24054 |
| Kuntzig | city | District de Luxembourg | Luxembourg | 49.5966667 | 5.8758333 | 1148 | 24054 |
| Kéisbierg | city | District de Grevenmacher | Luxembourg | 49.6747222 | 6.3205556 | 905 | 7770 |
| Körich | city | District de Luxembourg | Luxembourg | 49.67 | 5.95 | 1049 | 11181 |
| Küntzig | city | District de Luxembourg | Luxembourg | 49.5966667 | 5.8758333 | 1148 | 24054 |
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