YOU SAID:

She spends weeks away from home, travelling

INTO JAPANESE

彼女は家を離れて何週間も旅をしている

BACK INTO ENGLISH

She's been away from home for weeks.

INTO JAPANESE

彼女は何週間も家を離れている。

BACK INTO ENGLISH

She has been away from home for weeks.

INTO JAPANESE

彼女は数週間家を離れている。

BACK INTO ENGLISH

She has been away from home for several weeks.

INTO JAPANESE

彼女は数週間家を留守にしている。

BACK INTO ENGLISH

She has been away from home for several weeks.