Settings > Jump you can set your jump-ship and skills. Enable
Display Jumprange it that menu to see systems in reach on the maps. Alternatively ou can use the shortcut icon in bottom left on the map. Use
J to toggle the display on and off. Use the
Lock to lock the display to the current origin of jump regardless of your current location ingame.
will show all systems in range in alphabetical order according to your jumprange settings. Your current setting is displayed on top of the list. Please refer to this display explanation to learn about the information presented.