There is no formula for this. Not in Excel, not in Google Sheets, not in any traditional spreadsheet. The Reddit user who asked for a way to find the "closest exact match in terms of location" is wrestling with a fundamental limitation of the tool itself. They are not failing to find the right function. The function does not exist.
Think about what the request actually means. A traditional spreadsheet searches by value. You ask, "Is this number in column B?" and it either gives you a row number or an error. But this user wants to search by proximity: "Find the row that is geographically nearest to this other row, and then return an exact match from that nearby location." That is a spatial reasoning problem. Spreadsheets were designed for ledgers and tables, not for mapping coordinates or understanding relative positions. When you try to force a grid-based tool to handle location-based logic, you end up with nested IF statements, array formulas that slow your file to a crawl, and a headache that makes you question your career choices.
We think this is exactly the kind of problem that signals a need to move beyond the old paradigm. The user is not asking for a better version of VLOOKUP. They are asking for a tool that understands context. An AI-native spreadsheet does not just scan cells. It interprets intent. It can look at a column of addresses or latitude-longitude pairs and understand that "closest exact match" means something different than "exact value match." It can reason about distance, tolerance, and priority. It can say, "I see you want the nearest store that stocks this item, not just any store that has the same name." That is a capability no legacy formula can deliver.
Here is what this means in practical terms: stop searching for the magic formula. The formula does not exist because the tool was never built for this. If you are managing a massive database and your primary need is location-based matching, you are using the wrong interface. The right approach is to describe what you need in plain language and let the AI handle the spatial logic. That is the transformation worth exploring. Not a workaround. A replacement.