How To Use Location Services On Your Mac Without Wi-Fi
If you want to use Location Services on your Mac in the Maps app, web pages and elsewhere, you need to have Wi-Fi turned on. But if you use a wire connection, you may not want to have Wi-Fi enabled. You can, however, turn on Wi-Fi and tell your Mac not to connect to your home network. This leaves Wi-Fi on, but not connected, which is just fine for using Location Services.