Mishkat al-Masabih 9 Supplications كتاب الدعوات 140

وَعَنِ ابْنِ مَسْعُودٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «الْجَنَّةُ أَقْرَبُ إِلَى أَحَدِكُمْ مِنْ شِرَاكِ نَعْلِهِ وَالنَّارُ مِثْلُ ذَلِكَ» . رَوَاهُ البُخَارِيّ

Ibn Mas’ud reported God’s messenger as saying, “Paradise is nearer to each of you than the thong of his sandal, and the same applies to hell.” Bukhari transmitted it.