Which continents could you reach if travel west from the contiguous US?

If you travel west from the contiguous United States, you will reach the following continents:

1. North America: You will travel through the western states of the contiguous US, which include California, Oregon, Washington, Nevada, Idaho, Utah, Arizona, New Mexico, Colorado, Wyoming, and Montana.

2. Asia: After crossing the Pacific Ocean, you will reach Asia. The closest countries to the contiguous US are Russia, Japan, China, Taiwan, and the Philippines.