The interval between entering the United States for the second time is 4 months.

* * It is not necessary to wait four months for entering the United States for the second time * *, which varies according to the type of visa. If it is a B 1/B2 visa, you can generally get a six-month stay period, and you can enter the country multiple times within the validity period, depending on the customs approval. So the interval between entering the United States for the second time may vary from person to person.