A little over two weeks
There is about 6,487 miles between Hong Kong and Seattle, Washington. A flight would take approximately 13 and a half hours.
Tokyo, Japan is 3,003 miles, or 4,832 kilometers, closer to Hong Kong than to Seattle, Washington, United States of America. Air miles from Tokyo to Seattle total 4,793, which is 7,713 kilometers. Air miles from Tokyo to Hong Kong total 1,790, which is 2,881 kilometers.
Hong Kong is six times larger than Washington, DC.
It normally takes between five to seven working days to airmail a package from Hong Kong to the US east coast. The Hong Kong post office is independent from the Hong Kong government so they care about the speed of their service.
8,136 miles Hong Kong International Airport (HKG) to Washington Dulles International Airport
There are no roads that go all the way from Hong Kong to Philadelphia, PA. The best you could do is calculate the road mileage to someplace like Seattle and then figure the air miles from that point to Hong Kong. The road mileage to Seattle is about 2825 miles. The air mileage to Hong Kong from Seattle is about 5634 nautical miles, or 6483 statute miles, for a total of approximately 9308 statute miles.
10 to 20 days
A week or two
I just received a small package from HK and it took just under 2w
It depends on how you ship your package, its size and its weight.
1 to 14 days or more
10 weeks