When it comes to describing something that is "very close" to another thing, there are many different synonyms that can be used to add variety and depth to your writing. Some possible options include "nearby," "adjacent," "proximate," "immediate," "nearly touching," "bordering on," "in close proximity," "at hand," "within range," "just a stone's throw away," "within striking distance," "within earshot," and "within sight." Each of these words or phrases can convey a slightly different nuance or connotation, so it is important to choose the best one for your specific context and audience.