From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
hectometer /hɛktˈɒmɪtə/
[rare] Hektometer <masc, neut>
Note: unüblich
Synonym: hectometre
see: metre, meter, metres, meters, kilometre, kilometer, decameter, decimetre, decimeter, centimetre, centimeter, millimetre, millimeter, micrometre, micrometer, micron, nanometre, nanometer, picometre, picometer, femtometre, femtometer, fermi, serial meter