How many nanoseconds would it take to crawl from earth to another dimension?

Question: How many nanoseconds would it take to crawl from earth to another dimension?
- Keywords:
  dimension,
  earth,
  nanosecond
Asked by anon-239938 to David on 10 Mar 2020.
- David Threlfall answered on 10 Mar 2020:
  
  If you could manipulate space-time then it would be almost instantaneous
  
  Although there are theories about multiple dimensions we haven’t been able to observe them yet.

Question: How many nanoseconds would it take to crawl from earth to another dimension?