The hypothetical existence of parallel universes does not necessarily imply that it is possible for us to physically travel to those universes. The concept of parallel universes often arises from theoretical models in physics and cosmology, and it is important to distinguish between the theoretical idea of parallel universes and the practicalities of interuniverse travel, which currently lie beyond our scientific understanding.
In many theories, parallel universes are considered to exist in different dimensions or with distinct physical properties, making it challenging to envision how we could traverse or interact with them using our current technology and understanding of physics.
At this point, the scientific community has not discovered any practical means of reaching or accessing parallel universes, nor have we determined how one might quantify the distance or travel time between them. The concept of parallel universes remains primarily within the realm of speculation and theoretical exploration.
It's worth noting that science fiction and popular media often portray the idea of interdimensional travel or crossing between parallel universes, but these depictions are largely products of imagination and creative storytelling rather than scientifically established facts.
As our understanding of the universe continues to evolve and scientific research progresses, it is possible that new theories or breakthroughs may shed light on the concept of parallel universes and whether they can be accessed or explored. However, at present, we do not have the knowledge or technology to provide a definitive answer regarding the time it would take to reach another universe, assuming it were even possible.