/mnt/c/Users/some folder1/some folder2/destination - folder/

~$ cd /mnt/c/Users/some folder1/some folder2/destination - folder/

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

alias mf=<the correct format of the directory>

~$ cd mf

~$ cd mf

alias cdmf='cd /mnt/c/Users/some folder1/some folder2/destination - folder/'

ln -s /mnt/c/Users/some folder1/some folder2/destination - folder/ mf