The alphamegalog of the cities of North Carolina lists the largest city in North Carolina for each letter of the alphabet. In this case, ‘largest’ is based on population within the city proper.

Asheville
Burlington
Charlotte
Durham
Elizabeth
Fayetteville
Greensboro
High Point
Indian Trail
Jacksonville
Kannapolis
Lumberton
Monroe
New Bern
Oxford
Pinehurst
(no Q)
Raleigh
Salisbury
Thomasville
Unionville
Valdese
Winston-Salem
(no X)
Yadkinville
Zebulon