| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Calmus | city | District de Diekirch | Luxembourg | 49.7255556 | 5.9644444 | 1210 | 6510 |
| Canach | city | District de Grevenmacher | Luxembourg | 49.6069444 | 6.3258333 | 843 | 9221 |
| Cap | city | District de Luxembourg | Luxembourg | 49.6444444 | 5.9844444 | 984 | 15402 |
| Capellen | city | District de Luxembourg | Luxembourg | 49.645 | 5.9908333 | 984 | 15402 |
| Cessange | city | District de Luxembourg | Luxembourg | 49.5894444 | 6.1069444 | 951 | 79640 |
| Cessingen | city | District de Luxembourg | Luxembourg | 49.5894444 | 6.1069444 | 951 | 79640 |
| Chateau | city | | Luxembourg | 49.9333333 | 6.2166667 | 895 | 6341 |
| Chateau Dreiborn | city | District de Grevenmacher | Luxembourg | 49.6172222 | 6.3938889 | 656 | 11371 |
| Chateau Faubourg | city | | Luxembourg | 49.9333333 | 6.2166667 | 895 | 6341 |
| Chateau Meysembourg | city | District de Luxembourg | Luxembourg | 49.7616667 | 6.1888889 | 1030 | 6877 |
| Chateau de Birtrange | city | District de Diekirch | Luxembourg | 49.8269444 | 6.0913889 | 1030 | 14950 |
| Christnach | city | District de Grevenmacher | Luxembourg | 49.7811111 | 6.2736111 | 984 | 6025 |
| Château Faubourg | city | | Luxembourg | 49.9333333 | 6.2166667 | 895 | 6341 |
| Cinqfontaines | city | District de Diekirch | Luxembourg | 50.1072222 | 6.077778 | 1706 | 3398 |
| Claire | city | | Luxembourg | 49.8666667 | 6.1833333 | 1112 | 9149 |
| Clairefontaine | city | | Luxembourg | 49.8666667 | 6.1833333 | 1112 | 9149 |
| Clairefontaines | city | | Luxembourg | 49.8666667 | 6.1833333 | 1112 | 9149 |
| Clausen | city | District de Luxembourg | Luxembourg | 49.6113889 | 6.1361111 | 898 | 80950 |
| Clemency | city | District de Luxembourg | Luxembourg | 49.5966667 | 5.8758333 | 1148 | 24054 |
| Clerf | city | District de Diekirch | Luxembourg | 50.0547222 | 6.0313889 | 1555 | 3612 |
| Clervaux | city | District de Diekirch | Luxembourg | 50.0547222 | 6.0313889 | 1555 | 3612 |
| Colbet | city | District de Grevenmacher | Luxembourg | 49.7619444 | 6.3033333 | 1272 | 5391 |
| Colbette | city | District de Grevenmacher | Luxembourg | 49.7619444 | 6.3033333 | 1272 | 5391 |
| Colmar | city | District de Luxembourg | Luxembourg | 49.8102778 | 6.0972222 | 793 | 14950 |
| Colpach-Bas | city | District de Diekirch | Luxembourg | 49.7583333 | 5.8269444 | 951 | 5395 |
| Colpach-Haut | city | District de Diekirch | Luxembourg | 49.7686111 | 5.82 | 1049 | 5395 |
| Consdorf | city | District de Grevenmacher | Luxembourg | 49.7730556 | 6.3383333 | 1184 | 6116 |
| Consthum | city | District de Diekirch | Luxembourg | 49.9747222 | 6.0541667 | 1427 | 2652 |
| Contern | city | District de Luxembourg | Luxembourg | 49.5819444 | 6.2266667 | 872 | 17429 |
| Crauthem | city | District de Luxembourg | Luxembourg | 49.5355556 | 6.1469444 | 918 | 25415 |
| Crendal | city | District de Diekirch | Luxembourg | 50.0577778 | 5.8980556 | 1633 | 2871 |
| Cruchten | city | District de Luxembourg | Luxembourg | 49.7919444 | 6.1327778 | 941 | 11497 |
|
|