Region
United States
30
Dayton
3
Ohio
3
Alaska
2
Lake and Peninsula Borough
2
Lake and Peninsula Borough (Alaska)
2
Andalusia
1
Berlin (Germany)
1
Canada
1
Córdoba
1
Dayton (Ohio)
1
Dayton Aviation Heritage National Historical Park (Ohio)
1
Illinois
1
India
1
Miami River Valley
1
Miami River Valley (Ohio)
1
Peru
1
Spain
1
Wright-Patterson Air Force Base (Ohio)
1