There are ways to work around it, luckily for us. The most common is the ability of the Alpha skink on Stegadon, that let a unit with the skink keyword to move 1d6 in the hero phase.
Yep. Makes it not that hard to charge the distance then, except if you roll very badly. The other way to improve your chances of getting into melee is to boost your charge rolls, for example using a Firelance or Thunderquake Starhost, or a Skink Priest.