Not far.
According to Mafengwo Travel Network: Weihai Hanlefang to Oulefang is 14.9 kilometers long and takes 51 minutes, which is not that far.
Hanlefang is China's first Korean culture-themed business park. It is located in the core business district of Lotte Century City. It is a national tourist attraction and a key cultural industrial park in Shandong Province.