Buckaroo Banzai said it best" "Wherever you go - there you are."

That said, here in the Boston area, it's 'soda' and 'subs', and Kama'aina in Hawai'i use “Island Fever" to mean they've had enough of being on an island (oddly enough, that usually means they're planning to visit Las Vegas - no clue why that's a particular draw).

Fun article; hard to make any broad observations about idiom - other than it'll be different.