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How narrow is Central America at its narrowest point?
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At its narrowest point, Central America is approximately 30 miles (50 km) wide. This minimum width occurs within the Isthmus of Panama, specifically between the mouth of the Nergalá (Necategua) River on the Caribbean shore and the mouth of the Chepo River on the Pacific coast. The area traversed by the Panama Canal is also nearly as narrow.123