how long does it take to travel from wehai to jinan and what is the best way to travel

You may take train or bus. There are only three trains available and the train journey takes around 9 hours. It is the cheapest way, and the ticket fare is CNY50-CNY81 for hard seat. For bus, you can take it at Weihai Bus Station. The bus journey only takes around 6-7 hours but the price is higher.