Brownsville (TX)
San Francisco is not a city near the Mexican border.
Tijuana is a Mexican city that is located close to the US-Mexico border. It is situated in the state of Baja California and is known for being a popular border crossing point between Mexico and the United States.
Reynosa is a large city situated close to the border of Mexico and the US. It is in the Mexican state of Tamaulipas. The city has an estimated population of 1 million.
Mexican workers on the US border
Windsor (Ontario, Canada) is a Canadian city located on the US-Canada border, across Detroit, MI. Its coordinates are (42°19'6''N 83°2'5''O). Tijuana (Baja California, Mexico) is a Mexican city located on the US-Mexico border, across San Diego, CA. Its coordinates are (32°31'51''N 117°1'12''O).
The closest Canadian city to the US border is Surrey, located in British Columbia. It is part of the Greater Vancouver area and shares a border with the US state of Washington.
US-Mexican border's total length is of 3,169 km (1,969 miles).
San Diego, California qualifies as such. It borders the Mexican city of Tijuana.
Tijuana, Juarez, Matamoros are some of them.
On the Mexican side, those would be Tijuana and Mexicali, on the Mexican state of Baja California, opposite to San Diego and Calexico across the border, respectively.
You mean on the US or Mexican side?