This way, you can see what cities you serviced the most.
Also, you can switch to a "country/state" view where you see the same information per country (ETS2) or state (ATS).
And you can also show all the routes that you ever took to/from a selected city:
You can use the web tool here.
To import your own data, you first have to create a CSV export of your profile using the Virtual Trucker Log Book tool made by Kreti.
I haven't tested it with a profile that's using map mods, but I've made the tool as flexible as possible for unknown cities, so the result might not be entirely wrong
If anyone uses the tool, feel free to share your own screenshots below... I'd like to see what it looks like for other people