And landmarks (signposts, etc. during the day) and by the stars (during

﴿وَعَلَٰمَٰتٖۚ وَبِٱلنَّجۡمِ هُمۡ يَهۡتَدُونَ ﴾
[النَّحل: 16]

And landmarks (signposts, etc. during the day) and by the stars (during the night), they (mankind) guide themselves

﴿وعلامات وبالنجم هم يهتدون﴾ [النَّحل: 16]

Al Bilal Muhammad Et Al
And also landmarks. And by the stars you guide yourselves

Ali Bakhtiari Nejad
and landmarks; and with the stars they find their way

Ali Quli Qarai
—and the landmarks [as well]—and by the stars they are guided

Ali Unal
And (other) way-marks, and they (people) find their way by the stars

Hamid S Aziz
And landmarks; and by the stars too are they guided

John Medows Rodwell
And way marks. By the stars too are men guided

Literal
And signs/identification marks, and with the star/planets, they be guided

Mir Anees Original
And (through) landmarks and through the stars they find guidance (to your desired destination)

Mir Aneesuddin
And (through) landmarks and through the stars they find guidance (to your desired destination)