When you have planned a route, tap the Share button. A popup emerges, displaying a unique link that can be copied to the clipboard and shared:
The link contains the waypoints defining the route. When it's clicked on it opens the Locus web route planner that re-renders the route from them.

Tracks and routes saved in your library are not public. Before sharing a unique link to one of them, you must enable sharing:

Then copy the URL either from the box or by the button to the clipboard and send it via your favorite service.

You can disable the sharing option for the track at any time.

If you need to share a link to an interesting place marked on the map, tap Share on the detail panel of the LoPoint:

• right-click the place on the map and select Share point:
  
• add the name of the place (optionally) and copy the link: