﴿ حَتَّىٰٓ إِذَا جَآءَنَا قَالَ يَٰلَيْتَ بَيْنِى وَبَيْنَكَ بُعْدَ ٱلْمَشْرِقَيْنِ فَبِئْسَ ٱلْقَرِينُ ﴾

“But in the end, when he [who has thus sinned] appears before us [on Judgment Day], he will say [to his other self], “Would that between me and thee there had been the distance of east and west!” for, evil indeed [has proved] that other self!”

Please check ayah 43:45 for complete tafsir.