The land seen below the aircraft is farmland, and so I think we can exclude SWPA in 1943, and probably too Tunisia.
Another possibility is that the picture was taken over the US during a domestic flight.
Here are some possibilities:
430412 A-20G 42-53612 9 Ferry 6 Ferry AAB, Long Beach, CA BLEF 5 Perry, Tom USA UT Hill Field, UT
430501 A-20G 42-53700 21 Ferry Palm Springs, CA KCRF 5 Luchsinger, Andrew G USA CA San Bernardino AAF, CA
430602 A-20G 42-53911 9 Ferry 6 Ferry AAF, Long Beach, CA LACEF 5 Bell, Woodrow M USA UT Hill Field, Ogden, UT
430614 A-20G 42-53827 4 Ferry Memphis, TN KCRF 5 Hampson, Robert W USA OK 1 1/2 Mi NE Edmond, OK
430615 A-20G 42-53969 21 Ferry AAF, Palm Springs, CA KLACEF 5 Ullrich, Dellie O USA UT Delta, UT
Taken from:
http://www.aviationarchaeology.com/src/AFrptsMO.htm