1. Cambria County, Pennsylvania, USA (3)
2. Cambria, Pennsylvania, USA (2)
3. Camp Hill, Pennsylvania, USA 
4. Carlisle, Pennsylvania, USA
5. Castle, Pennsylvania, USA
6. Ccester, Pennsylvania, USA
7. Charlestown, Pennsylvania, USA
8. Chester County, Pennsylvania, USA
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9. Chester, Pennsylvania, USA (1)
10. Chester, Pennsylvania, USA (9)
11. Chester,Pennsylvania, USA (1)
12. Chestnut Grove, Pennsylvania, USA
13. Clarion County, Pennsylvania, USA
14. Clarion, Pennsylvania, USA
15. Clearfield County, Pennsylvania, USA (14)
16. Clearfield, Pennsylvania, USA (20)
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17. Clinton County, Pennsylvania, USA
18. Clinton, Pennsylvania, USA (4)
19. Clover Run, Pennsylvania, USA
20. Conewauga, Pennsylvania, USA
21. County, Pennsylvania, USA (3)
22. Crawford, Pennsylvania, USA (2)
23. Curwensville, Pennsylvania, USA
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