can't get there from here


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(You) can't get there from here.

a catchphrase said jokingly when someone asks directions to get to a place that can be reached only by a circuitous route. Bill: How far is it to Adamsville? Tom: Adamsville? Oh, that's too bad. You can't get there from here. "Galesburg? Galesburg, you say?" said the farmer. "By golly, you can't get there from here!"
See also: get, here