1,122 kilometers (699 miles) are fenced, from El Paso, TX westward to San Diego, CA. Some stretches along the Rio Grande River are also fenced, specially close to urban areas, but the amount in kilometers is variable.
The Rio Grande river is a border along much of the USA and Mexico.
To the US-Mexico border? Northern Mexico is close to the border.
It is called US-Mexico border. If you mean the name of the river that defines much of that border, it is called the Rio Grande river (or Rio Bravo del Norte in Mexico).
Montana does not border Mexico.
Yes, Mexico does border the U.S
Rio Grande River
The states that border Mexico are California, Arizona, New Mexico and Texas...
US-Mexico border ("Frontera Mexico-Estados Unidos").
No. Central America starts at the Mexico-Guatemala and Mexico-Belize border.
None. Mexico's border touches New Mexico's state limit (and US border).They share a common border.