Mexico's narrowest point is known as the Isthmus of Tehuantepec. At its narrowest point, it stretches for 200 Km (124 miles), separating the Gulf of Mexico and the Pacific Ocean.
The narrowest strip of Mexico is called Baja California.
The narrowest point of the Tennessee River is 10 1/2 ft wide.
The narrowest point in the UK runs from Hadrian's Wall to the English East Coast. It is 70 miles wide, or 274 kilometers.
The merced river's narrowest points are 5 to 6 ft wide.
3 miles
26km at chelyabinks
No, the equator circles the earth at its widest point
Central America is narrowest at that point
About 70 km.
According to Wikipedia, the width of the Atlantic Ocean at its narrowest point is 2,848 kilometers (1,770 mi) between Brazil and Sierra Leone
It is the Gulf of California or Sea of Cortes.