You can save a route in Google Maps with the "Pin" feature, as long as you're driving or using public transport.

Learn how to use Google Maps Street View on desktop and mobile to explore any street, landmark, with 360° imagery.

You can calibrate your Google Maps app to give more accurate directions on iPhone or Android, though your options on iPhone are comparatively limited.

One unexpected benefit of offline maps is battery life. Instead of letting my phone waste power searching for a weak signal, ...