Originally Posted by
floridastorm
How far is it from Gate 41 to Transit Security and does it normaly take more than a few minutes getting through Security?
Not far.
https://www.narita-airport.jp/en/con...nter_inter_t1/
Your 75 minute connection is pretty safe. I think the official Minimum Connection Time within T1 South is 45 minutes. In the event that your arriving flight is delayed, there will be staff to assist passengers with tight connections.