Originally Posted by
MasterGberry
I have seen some people saying it takes 30-40m to get between the terminals
I've done the walk TBIT to T7 airside in 15 minutes.
Originally Posted by
findark
the general answer is that the walk outside is substantially shorter and less pleasant (I believe you have to go on the curb for some of it, but I forget since I do it airside)
IMO the walk landside is fine if you stick to the upper level. It can get a little congested outside T4, but the fresh air can be refreshing. That said, I would always walk airside if given the choice to avoid having to clear security twice.