You now can define multiple lookats or camera positions for the Earth maptype (version => 3.0). In this way you can define a fly route to you locations.

See for parameters of the lookat and camera: Earth lookat and camera position control

{mosmap mapType='Earth'|zoom='15'|lookat[0]=',,,60,1,,0.25'|
lookat[1]=',,,,90,,0.25'|lookat[2]=',,,,180,,0.25'|lookat[3]=',,,,270,,0.25'}