1. Oak Grove, Lamar, Mississippi, USA (1)
2. Oak Harbor, Island, Washington, USA 
3. Oak Hill Cemetery, Lampasas, Lampasas County, Texas
4. Oak Park, Cook, Illinois, USA
5. Oakdale Memorial Park Glendora, Los Angeles, California, USA
6. Oakland, Alameda, California, USA
7. Oakland, Colorado, Texas, USA
8. Oakley, Contra Costa, California, USA
9. Oberlin, Lorain, Ohio, USA (1)
10. Oceanside, San Diego, California, USA (1)
11. Odd Fellows Cemetery Burnet, Burnet, Texas, USA
12. Odessa, Ector, Texas, USA (2)
13. Ohio, USA
14. Oklahoma City, Oklahoma, Oklahoma, USA
15. Oklahoma Terr., USA
16. Oklahoma, USA
|
|
17. Olathe, Montrose, Colorado, USA (2)
18. Old Gulf, Matagorda, Texas, USA
19. Olfen, Runnels, Texas, USA (2)
20. Oliver Cemetery, Travis County, Texas, USA
21. Olivia, Renville, Minnesota, USA
22. Olla, La Salle, Louisiana, USA
23. Olmsted County, Minnesota, USA
24. Olney Springs, Crowley, Colorado, USA
25. Olney, Young, Texas, USA
26. Olympia, Thurston, Washington, USA
27. Omaha, Douglas, Nebraska, USA
28. Onalaska, Polk, Texas, USA
29. Onslow County, North Carolina, USA
30. Orange County, California, USA
31. Orange County, Texas, USA
32. Orange, California, USA
|
|
33. Orange, Orange, California, USA
34. Orange, Orange, Texas, USA
35. Orange, Principality of Orange
36. Oregon, USA
37. Orlando, Orange, Florida, USA
38. Orleans Parish, Louisiana, USA
39. Orly Air Base, Paris, France
40. Orondo, Douglas, Washington, USA
41. Osage, Osage, Oklahoma, USA
42. Osawatomie, Miami, Kansas, USA
43. Oschatz, Saxony, Germany
44. Osnabrück, Hannover, Germany
45. Osnabrück, Osnabruck, Niedersachsen, Germany
46. Otero County, New Mexico, USA
47. Oxnard, Ventura, California, USA
|
