Is there a way to see exactly what are the top 5 most common user journeys a customer takes to get to a website?

Yeah, honestly, I am not a big fan of the Flow diagrams either... I much preferred the old Reports Full Path Reports.

Even though we can't get that in Workspace directly, Jenn Kuntz did a Rockstar Tips event in 2022 showing how to export Flow Diagram data and using Excel to transform it into a similar "Top Flows" display

She wrote a blog post about it here (it's Tip #2):

https://www.digitaldatatactics.com/index.php/2022/02/11/summit-tips-tricks/

Good luck