"The kitchen is over there."

Translation: 厨房在那儿。

[Chris349250]

I thought 哪儿was the where question. When stating location should use 哪里

[KX3.]

哪 is the question form of 那 (which also has other meanings).
哪儿 and 哪里 have the same meaning, the former having more of a Beijing accent flavour and is pronounced nar（儿化韵）.