You can cross-country ski in the Scheiben area in just 10 minutes by car, if there is enough snow
https://www.langlaufzentrum-scheibe.de/
Route: https://maps.app.goo.gl/7nGYiTgGeJPTzVEbA
The largest cross country ski area in the Bavarian Forest, Bretterschachten, is only a 20-25 minute drive away. With an altitude of 1100-1300m above sea level, it is one of the ski resorts with the highest snow security in all of Central Europe.
Ski conditions
https://www.bodenmais.de/de/sport-gesundheit/wintersport/bretterschachten
Route:
https://maps.app.goo.gl/RVbSCYpua923hReT8