The word(s) "long" appears 180 time(s) in 171 verse(s) in Quran in Mohsin Khan translation.

(161) Say (O Muhammad صلى الله عليه وسلم): "I invoke only my Lord (Allah Alone), and I associate none as partners along with Him."

(162) Verily, there is for you by day prolonged occupation with ordinary duties.

(163) And they will not receive admonition unless Allah wills; He (Allah) is the One, deserving that mankind should be afraid of, and should be dutiful to Him, and should not take any Ilah (god) along with Him, and He is the One Who forgives (sins).

(164) And during night, prostrate yourself to Him (i.e. the offering of Maghrib and 'Isha' prayers), and glorify Him a long night through (i.e. Tahajjud prayer).

(165) And by those that swim along (i.e. angels or planets in their orbits).

(166) To your Lord belongs (the knowledge of) the term thereof?

(167) To Whom belongs the dominion of the heavens and the earth! And Allah is Witness over everything.

(168) Glad with their endeavour (for their good deeds which they did in this world, along with the true Faith of Islamic Monotheism).

(169) And truly, unto Us (belong) the last (Hereafter) and the first (this world).

(170) Verily, along with every hardship is relief,