I've met Americans who have no idea where Ohio or Indiana is - they imagine that the US starts with New York on the east coast, skips a few dozen states and all of the sudden you are in California on the west coast.
Yes! I've met people like this, too! It's sad that a college friend of mine from Massetcheusets (going to school in Ohio) had a hard time distinguishing from Iowa and Ohio -- "They both have farms and are there in the middle and have lots of vowels". When she was interviewing for her job at the Cleveland Clinic, the person who was interviewing her thought Minneapolis was a city in Massecheusets! And even worse, there have been people who mistake Idaho, Ohio, and Iowa!
- Laura
Laura "The Yellow Dart" U. (Alicia U. on the archive)
"A hero is an ordinary individual who finds the strength to persevere and endure in spite of overwhelming obstacles." -- Christopher Reeve
And even worse, there have been people who mistake Idaho, Ohio, and Iowa! 
