Well I did say and/ or
According to Google, CIA is 15.5 km driving distance from Rome, FCO is 40.3km.
And I really do find PIK more convenient than GLA. I'd rather have a good, solid train taking me directly in a single seat to the airport than faff around with shuttle buses and traffic - even if it does take longer.
It depends on your final destination, of course. Very few pax really want to end up slap bang in centre of town. My point was really that the secondary airports aren't always the sordid outposts the naysayers would have you believe, and sometimes they are equally or more convenient.
Other times, they really are in the @rse end of nowhere