You do get used to it very quickly
The problem that is more apparent in RHD cars then LHD cars is that I find the pedal placements in particular for RWD cars is the transmission tunnel intrudes quite a bit into the footwell. Take a BMW 3 series for instance. On a RHD car there's nowhere to rest your left foot when not using the clutch as the transmission tunnel is in the way
In a LHD car this just isn't an issue as your right foot is always on the gas and doesn't need space for you to "rest" your foot and your clutch foot is on the door side which has far more room.
