kilometeren is the masculine singular definite of kilometer.

kilometerN

Kven

kilomeetteriN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:35326Edit on GitHub Suggest

gilomehterN; kilomehterN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:36890Edit on GitHub Suggest

Case	Sg	Pl
Indef	kilometer	kilometer
Def	kilometeren	kilometrene