- Camp Meade (Md.)1
- Camp Mills (N.Y.)2
- Camp Sevier (S.C.) 2
- Camp Taylor, Adams Run, Edisto (S.C.)1
- Canada1
- Cap Francois, Haiti1
- Carleston County1
- Carlisle, Cumberland County, Pennsylvania, United States2
- Carlowville (Ala.)1
- Carrollton (Ala.)1
- Chaillot, France1
- Chaillot, Paris, France4
- Champaign, IL1
- Chantilly, Fairfax County, North Carolina, United States15
- Chantilly, Fairfax County, Virginia, United States2
- Chapel Hill8
- Chapel Hill (N.C.)3
- Chapel Hill, Orange County, North Carolina, United States1
- Chapin (S.C.)9
- Chareston County (S.C.)106