Region
Afghanistan
16
Africa
1
Africa, Southern
3
Africa, West
2
Alabama
1
Alaska
5
Alaska-Siberia Air Route (Alaska and Russia)
1
Arab countries
9
Arabian Peninsula
1
Armenia
1
Asia
8
Asia, Central
3
Australia
2
Austria
6
Azerbaijan
2
Azerbaijan (Iran)
2
Balkan Peninsula
5
Baltic States
11
Belarus
5
Belarus, Western
1
Bering Sea
1
Berlin
8
Berlin (Germany)
19
Berlin,
1
Birmingham
1
Bulgaria
3
California
1
Canada
12
Caribbean Area
5
Central America
4
Chile
3
China
75
Communist countries
6
Comunidad de Estados Independientes
1
Congo (Democratic Republic)
2
Cuba
19
Curzon Line
1
Cyprus
2
Czech Republic
1
Czechoslovakia
8
Developing countries
27
EE. UU
2
East Asia
8
Eastern Europe
6
Eastern Front
2
Egypt
8
England
1
Ethiopia
3
Eurasia
2
Europa
1
more ...