The phrase "widen the distance" can be used in various contexts to describe the act of increasing the physical, emotional, or psychological space between two entities. Synonyms for this phrase include broaden the gap, expand the separation, create distance, distance oneself, and increase the divide. Additionally, words like detach, disengage, estrange, break away, and let go can also be associated with "widen the distance" in emotional or social scenarios. These synonyms can be helpful in conveying the intended meaning and tone of a message, depending on the situation and audience.