The two best choices of airports for North Carolina are Charlotte/Douglas and Raleigh-Durham though there are nine airports that I know of in total. Raleigh is only a bit more expensive than Charlotte. Charlotte does have a theme park as an added attraction.
The closest airport to Auburn Hills, Michigan is Detroit Metropolitan Wayne County Airport (DTW).
Asheville
Canada
10 miles
The flight distance from Singapore to Detroit, Michigan is: 9,393 miles / 15,116 km
Detroit Metroploitan Wayne County Airport is a major hub for international and domestic flights. It is a 6700 acre property located in Romulus, Michigan a suburb of Detroit
These guys are awesome
The air distance from John F. Kennedy International Airport (JFK) in New York to Detroit Metro Wayne County Airport in Michigan is 507 miles. That equals 817 kilometers or 441 nautical miles.
The flight distance from Detroit, Michigan to Los Angeles International Airport is about 1,995 miles.
The flight distance from Detroit, Michigan to Hartsfield-Jackson Atlanta International Airport is about 605 miles.
The flight time from John F. Kennedy International Airport to Detroit, Michigan is about 59 minutes.
Currently, November 2012, they only fly into Detroit.