Are you saying that there will be a run of cable and then a patch panel, then another run of cable and another patch panel and so on until the total distance is 100m? That would be a poor design for sure, but you should look at the connector specifications and just add the loss together at each link point along the path to get your total loss.
.. or are you questioning running multiple cables together as a bundle? More likely you will be limited by the path itself, and the building codes for your area. If not plenum-rated cable, it should be run within conduit; and that conduit itself will be limited in size (i.e. 2″ or 4″). Also, if you run cat-6 cable, you will be even more restricted, as these have some “twist separation” that take more space, so 20 Cat 5E in a 2″ conduit might mean 14 Cat-6 cables in the same 2″ conduit