Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with him) narrates this saying of the Prophet (peace and blessings be upon him): "Indeed, the souls of the believers meet one another from a day's distance, even though none of them has ever seen his companion."
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الزهد / 17979
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«اخرجه احمد فى المسند (6636) ، أخرجه مسند أحمد برقم: 6598، 7008»
In one narration the words are: "The two of them meet one another from the distance of a day and a night."
Imam Ahmad recorded this narration, and its narrators have been declared trustworthy despite weakness in some of them.
Imam al-Tabarani recorded this narration.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الزهد / 17980