1. Carra-mel
2. been rhymes with set
3. Boo-wie. We have a town called Bowie which is pronounced that way.
4. Cray-awn
5. Loyer
6. I'll use coleslaw, or simply slaw, interchangably
7. y'all. The plural is all y'all
8. Man-aize.
9. Pa-jam-ahs.
10. Pee-can pie
11. Soda, though I did call it Coke when I was younger.
12. Crawfish, even though it's not spelled that way at all!
13. traffic circle, though I've said roundabout before
14. Sir-up. My girlfriend's family is from New Jersey, and says See-rup. It sounds awful.
15. Sub. I always thought the hoagie was the style of bun.
16. water fountain
17. tennis shoes
18. highways are numbered roads. Freeways are limited-access highways. Thus signs that say "end freeway 1 mile"
19. I have no term for this, though I know what a sun shower is.
20. I don't like the structure of this question. "The City" most often refers to the closest urban area. If I said "The City" I would mean Washington. But when I was in college, "The City" meant Baltimore. If I were in Newark or Hoboken, then The City would refer to New York.
21. We have no special term for this, but we do have them, and I know what a brew-thru is (because of relatives from NC).
22. Mary, Merry, and Marry are pronounced identically. Although my state is "Merlin."