It depends from where you are at the US/Canada border or where you are going to on the US/Mexico border.It is 1381.29 miles (2223 kilometers) from Blaine,Washington to San Ysidro,California. On the...
150 miles
3,141 Kilometers (1,952 miles)
It would be Texas
Tijuana is right at the US-Mexico border. On the other side of the border you have San Diego, CA.