Why does shipping from China takes approximately the same length of time as shipping within the United States? 🤔

Destination is WA, USA. Top image is shipping from Pana, IL, USA via United State Postal Service (USPS) and the bottom image is from Shenzhen, China.

USPS

China

The USPS delivery map does not appear to be accurate, as the map shows the longest delivery time within the USA should be 3 days.

USPS delivery map

The map shows delivery from IL to WA is 2 days. 🤔